Home / 141,704.39-195,560.90-78,042.17

Finding the Fourth Proportional to 141,704.39, 195,560.90 and 78,042.17

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Solution

The fourth proportional to 141,704.39, 195,560.90 and 78,042.17 is: 107,703.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,704.39 : 195,560.90 = 78,042.17 : x
  2. Step 2: Convert to fraction form
    141,704.39/195,560.90 = 78,042.17/x
  3. Step 3: Cross multiply
    141,704.39x = 195,560.90 × 78,042.17
  4. Step 4: Simplify right side
    141,704.39x = 15,261,997,394.50
  5. Step 5: Solve for x
    x = 15,261,997,394.50/141,704.39
  6. Step 6: Final answer
    x = 107,703.06

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1.5x scale

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.