Home / 141,044.06-194,640.90-77,385.35

Finding the Fourth Proportional to 141,044.06, 194,640.90 and 77,385.35

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Solution

The fourth proportional to 141,044.06, 194,640.90 and 77,385.35 is: 106,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,044.06 : 194,640.90 = 77,385.35 : x
  2. Step 2: Convert to fraction form
    141,044.06/194,640.90 = 77,385.35/x
  3. Step 3: Cross multiply
    141,044.06x = 194,640.90 × 77,385.35
  4. Step 4: Simplify right side
    141,044.06x = 15,062,354,170.82
  5. Step 5: Solve for x
    x = 15,062,354,170.82/141,044.06
  6. Step 6: Final answer
    x = 106,791.84

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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.