Home / 141,248.55-194,924.16-77,587.77

Finding the Fourth Proportional to 141,248.55, 194,924.16 and 77,587.77

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Solution

The fourth proportional to 141,248.55, 194,924.16 and 77,587.77 is: 107,071.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,248.55 : 194,924.16 = 77,587.77 : x
  2. Step 2: Convert to fraction form
    141,248.55/194,924.16 = 77,587.77/x
  3. Step 3: Cross multiply
    141,248.55x = 194,924.16 × 77,587.77
  4. Step 4: Simplify right side
    141,248.55x = 15,123,730,893.52
  5. Step 5: Solve for x
    x = 15,123,730,893.52/141,248.55
  6. Step 6: Final answer
    x = 107,071.76

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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.