Home / 141,722.28-195,577.20-78,060.24

Finding the Fourth Proportional to 141,722.28, 195,577.20 and 78,060.24

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Solution

The fourth proportional to 141,722.28, 195,577.20 and 78,060.24 is: 107,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,722.28 : 195,577.20 = 78,060.24 : x
  2. Step 2: Convert to fraction form
    141,722.28/195,577.20 = 78,060.24/x
  3. Step 3: Cross multiply
    141,722.28x = 195,577.20 × 78,060.24
  4. Step 4: Simplify right side
    141,722.28x = 15,266,803,170.53
  5. Step 5: Solve for x
    x = 15,266,803,170.53/141,722.28
  6. Step 6: Final answer
    x = 107,723.38

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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.