Home / 402,614.55-603,998.03-132,758.19

Finding the Fourth Proportional to 402,614.55, 603,998.03 and 132,758.19

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Solution

The fourth proportional to 402,614.55, 603,998.03 and 132,758.19 is: 199,162.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,614.55 : 603,998.03 = 132,758.19 : x
  2. Step 2: Convert to fraction form
    402,614.55/603,998.03 = 132,758.19/x
  3. Step 3: Cross multiply
    402,614.55x = 603,998.03 × 132,758.19
  4. Step 4: Simplify right side
    402,614.55x = 80,185,684,562.57
  5. Step 5: Solve for x
    x = 80,185,684,562.57/402,614.55
  6. Step 6: Final answer
    x = 199,162.41

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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.