Home / 129,081.14-178,082.20-95,170.30

Finding the Fourth Proportional to 129,081.14, 178,082.20 and 95,170.30

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Solution

The fourth proportional to 129,081.14, 178,082.20 and 95,170.30 is: 131,298.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,081.14 : 178,082.20 = 95,170.30 : x
  2. Step 2: Convert to fraction form
    129,081.14/178,082.20 = 95,170.30/x
  3. Step 3: Cross multiply
    129,081.14x = 178,082.20 × 95,170.30
  4. Step 4: Simplify right side
    129,081.14x = 16,948,136,398.66
  5. Step 5: Solve for x
    x = 16,948,136,398.66/129,081.14
  6. Step 6: Final answer
    x = 131,298.32

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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.