Home / 131,473.14-181,582.50-88,377.78

Finding the Fourth Proportional to 131,473.14, 181,582.50 and 88,377.78

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Solution

The fourth proportional to 131,473.14, 181,582.50 and 88,377.78 is: 122,061.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,473.14 : 181,582.50 = 88,377.78 : x
  2. Step 2: Convert to fraction form
    131,473.14/181,582.50 = 88,377.78/x
  3. Step 3: Cross multiply
    131,473.14x = 181,582.50 × 88,377.78
  4. Step 4: Simplify right side
    131,473.14x = 16,047,858,236.85
  5. Step 5: Solve for x
    x = 16,047,858,236.85/131,473.14
  6. Step 6: Final answer
    x = 122,061.88

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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.