Home / 658,191.63-987,287.44-159,555.63

Finding the Fourth Proportional to 658,191.63, 987,287.44 and 159,555.63

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Solution

The fourth proportional to 658,191.63, 987,287.44 and 159,555.63 is: 239,333.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,191.63 : 987,287.44 = 159,555.63 : x
  2. Step 2: Convert to fraction form
    658,191.63/987,287.44 = 159,555.63/x
  3. Step 3: Cross multiply
    658,191.63x = 987,287.44 × 159,555.63
  4. Step 4: Simplify right side
    658,191.63x = 157,527,269,480.29
  5. Step 5: Solve for x
    x = 157,527,269,480.29/658,191.63
  6. Step 6: Final answer
    x = 239,333.44

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Half scale
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Double scale
Find fourth proportional to 658,192.63, 987,288.94 and 159,556.63
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.