Home / 141,085.04-194,702.96-77,425.11

Finding the Fourth Proportional to 141,085.04, 194,702.96 and 77,425.11

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Solution

The fourth proportional to 141,085.04, 194,702.96 and 77,425.11 is: 106,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,085.04 : 194,702.96 = 77,425.11 : x
  2. Step 2: Convert to fraction form
    141,085.04/194,702.96 = 77,425.11/x
  3. Step 3: Cross multiply
    141,085.04x = 194,702.96 × 77,425.11
  4. Step 4: Simplify right side
    141,085.04x = 15,074,897,708.20
  5. Step 5: Solve for x
    x = 15,074,897,708.20/141,085.04
  6. Step 6: Final answer
    x = 106,849.73

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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.