Home / 402,747.24-604,147.52-118,463.21

Finding the Fourth Proportional to 402,747.24, 604,147.52 and 118,463.21

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Solution

The fourth proportional to 402,747.24, 604,147.52 and 118,463.21 is: 177,702.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,747.24 : 604,147.52 = 118,463.21 : x
  2. Step 2: Convert to fraction form
    402,747.24/604,147.52 = 118,463.21/x
  3. Step 3: Cross multiply
    402,747.24x = 604,147.52 × 118,463.21
  4. Step 4: Simplify right side
    402,747.24x = 71,569,257,472.04
  5. Step 5: Solve for x
    x = 71,569,257,472.04/402,747.24
  6. Step 6: Final answer
    x = 177,702.66

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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.