Home / 141,304.20-194,999.76-77,646.12

Finding the Fourth Proportional to 141,304.20, 194,999.76 and 77,646.12

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Solution

The fourth proportional to 141,304.20, 194,999.76 and 77,646.12 is: 107,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,304.20 : 194,999.76 = 77,646.12 : x
  2. Step 2: Convert to fraction form
    141,304.20/194,999.76 = 77,646.12/x
  3. Step 3: Cross multiply
    141,304.20x = 194,999.76 × 77,646.12
  4. Step 4: Simplify right side
    141,304.20x = 15,140,974,764.93
  5. Step 5: Solve for x
    x = 15,140,974,764.93/141,304.20
  6. Step 6: Final answer
    x = 107,151.63

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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.