Home / 374,231.89-516,440.20-202,149.85

Finding the Fourth Proportional to 374,231.89, 516,440.20 and 202,149.85

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Solution

The fourth proportional to 374,231.89, 516,440.20 and 202,149.85 is: 278,966.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,231.89 : 516,440.20 = 202,149.85 : x
  2. Step 2: Convert to fraction form
    374,231.89/516,440.20 = 202,149.85/x
  3. Step 3: Cross multiply
    374,231.89x = 516,440.20 × 202,149.85
  4. Step 4: Simplify right side
    374,231.89x = 104,398,306,662.12
  5. Step 5: Solve for x
    x = 104,398,306,662.12/374,231.89
  6. Step 6: Final answer
    x = 278,966.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.