Home / 402,120.31-603,151.70-233,535.41

Finding the Fourth Proportional to 402,120.31, 603,151.70 and 233,535.41

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Solution

The fourth proportional to 402,120.31, 603,151.70 and 233,535.41 is: 350,286.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,120.31 : 603,151.70 = 233,535.41 : x
  2. Step 2: Convert to fraction form
    402,120.31/603,151.70 = 233,535.41/x
  3. Step 3: Cross multiply
    402,120.31x = 603,151.70 × 233,535.41
  4. Step 4: Simplify right side
    402,120.31x = 140,857,279,551.70
  5. Step 5: Solve for x
    x = 140,857,279,551.70/402,120.31
  6. Step 6: Final answer
    x = 350,286.41

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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.