Home / 658,190.13-987,285.19-159,554.13

Finding the Fourth Proportional to 658,190.13, 987,285.19 and 159,554.13

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Solution

The fourth proportional to 658,190.13, 987,285.19 and 159,554.13 is: 239,331.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,190.13 : 987,285.19 = 159,554.13 : x
  2. Step 2: Convert to fraction form
    658,190.13/987,285.19 = 159,554.13/x
  3. Step 3: Cross multiply
    658,190.13x = 987,285.19 × 159,554.13
  4. Step 4: Simplify right side
    658,190.13x = 157,525,429,552.34
  5. Step 5: Solve for x
    x = 157,525,429,552.34/658,190.13
  6. Step 6: Final answer
    x = 239,331.19

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Double scale
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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.