Home / 658,141.23-987,211.85-159,505.23

Finding the Fourth Proportional to 658,141.23, 987,211.85 and 159,505.23

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Solution

The fourth proportional to 658,141.23, 987,211.85 and 159,505.23 is: 239,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,141.23 : 987,211.85 = 159,505.23 : x
  2. Step 2: Convert to fraction form
    658,141.23/987,211.85 = 159,505.23/x
  3. Step 3: Cross multiply
    658,141.23x = 987,211.85 × 159,505.23
  4. Step 4: Simplify right side
    658,141.23x = 157,465,453,192.98
  5. Step 5: Solve for x
    x = 157,465,453,192.98/658,141.23
  6. Step 6: Final answer
    x = 239,257.85

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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.