Home / 461,101.38-691,712.55-180,582.18

Finding the Fourth Proportional to 461,101.38, 691,712.55 and 180,582.18

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Solution

The fourth proportional to 461,101.38, 691,712.55 and 180,582.18 is: 270,896.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,101.38 : 691,712.55 = 180,582.18 : x
  2. Step 2: Convert to fraction form
    461,101.38/691,712.55 = 180,582.18/x
  3. Step 3: Cross multiply
    461,101.38x = 691,712.55 × 180,582.18
  4. Step 4: Simplify right side
    461,101.38x = 124,910,960,212.36
  5. Step 5: Solve for x
    x = 124,910,960,212.36/461,101.38
  6. Step 6: Final answer
    x = 270,896.96

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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.