Home / 131,050.13-180,849.38-74,472.44

Finding the Fourth Proportional to 131,050.13, 180,849.38 and 74,472.44

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Solution

The fourth proportional to 131,050.13, 180,849.38 and 74,472.44 is: 102,772.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,050.13 : 180,849.38 = 74,472.44 : x
  2. Step 2: Convert to fraction form
    131,050.13/180,849.38 = 74,472.44/x
  3. Step 3: Cross multiply
    131,050.13x = 180,849.38 × 74,472.44
  4. Step 4: Simplify right side
    131,050.13x = 13,468,293,324.48
  5. Step 5: Solve for x
    x = 13,468,293,324.48/131,050.13
  6. Step 6: Final answer
    x = 102,772.08

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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.