Home / 409,748.43-614,712.92-125,441.13

Finding the Fourth Proportional to 409,748.43, 614,712.92 and 125,441.13

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Solution

The fourth proportional to 409,748.43, 614,712.92 and 125,441.13 is: 188,189.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,748.43 : 614,712.92 = 125,441.13 : x
  2. Step 2: Convert to fraction form
    409,748.43/614,712.92 = 125,441.13/x
  3. Step 3: Cross multiply
    409,748.43x = 614,712.92 × 125,441.13
  4. Step 4: Simplify right side
    409,748.43x = 77,110,283,310.40
  5. Step 5: Solve for x
    x = 77,110,283,310.40/409,748.43
  6. Step 6: Final answer
    x = 188,189.33

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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.