Home / 141,760.45-195,638.25-78,098.23

Finding the Fourth Proportional to 141,760.45, 195,638.25 and 78,098.23

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Solution

The fourth proportional to 141,760.45, 195,638.25 and 78,098.23 is: 107,780.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,760.45 : 195,638.25 = 78,098.23 : x
  2. Step 2: Convert to fraction form
    141,760.45/195,638.25 = 78,098.23/x
  3. Step 3: Cross multiply
    141,760.45x = 195,638.25 × 78,098.23
  4. Step 4: Simplify right side
    141,760.45x = 15,279,001,045.30
  5. Step 5: Solve for x
    x = 15,279,001,045.30/141,760.45
  6. Step 6: Final answer
    x = 107,780.42

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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.