Home / 658,190.25-987,285.38-159,554.25

Finding the Fourth Proportional to 658,190.25, 987,285.38 and 159,554.25

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Solution

The fourth proportional to 658,190.25, 987,285.38 and 159,554.25 is: 239,331.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,190.25 : 987,285.38 = 159,554.25 : x
  2. Step 2: Convert to fraction form
    658,190.25/987,285.38 = 159,554.25/x
  3. Step 3: Cross multiply
    658,190.25x = 987,285.38 × 159,554.25
  4. Step 4: Simplify right side
    658,190.25x = 157,525,577,544.09
  5. Step 5: Solve for x
    x = 157,525,577,544.09/658,190.25
  6. Step 6: Final answer
    x = 239,331.38

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Half scale
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Double scale
Find fourth proportional to 658,191.25, 987,286.88 and 159,555.25
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.