Home / 141,304.97-195,000.82-77,646.87

Finding the Fourth Proportional to 141,304.97, 195,000.82 and 77,646.87

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Solution

The fourth proportional to 141,304.97, 195,000.82 and 77,646.87 is: 107,152.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,304.97 : 195,000.82 = 77,646.87 : x
  2. Step 2: Convert to fraction form
    141,304.97/195,000.82 = 77,646.87/x
  3. Step 3: Cross multiply
    141,304.97x = 195,000.82 × 77,646.87
  4. Step 4: Simplify right side
    141,304.97x = 15,141,203,126.32
  5. Step 5: Solve for x
    x = 15,141,203,126.32/141,304.97
  6. Step 6: Final answer
    x = 107,152.66

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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.