Home / 141,250.56-194,926.68-77,587.80

Finding the Fourth Proportional to 141,250.56, 194,926.68 and 77,587.80

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Solution

The fourth proportional to 141,250.56, 194,926.68 and 77,587.80 is: 107,071.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,250.56 : 194,926.68 = 77,587.80 : x
  2. Step 2: Convert to fraction form
    141,250.56/194,926.68 = 77,587.80/x
  3. Step 3: Cross multiply
    141,250.56x = 194,926.68 × 77,587.80
  4. Step 4: Simplify right side
    141,250.56x = 15,123,932,262.50
  5. Step 5: Solve for x
    x = 15,123,932,262.50/141,250.56
  6. Step 6: Final answer
    x = 107,071.66

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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.