Home / 156,131.28-215,349.84-95,716.08

Finding the Fourth Proportional to 156,131.28, 215,349.84 and 95,716.08

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Solution

The fourth proportional to 156,131.28, 215,349.84 and 95,716.08 is: 132,019.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,131.28 : 215,349.84 = 95,716.08 : x
  2. Step 2: Convert to fraction form
    156,131.28/215,349.84 = 95,716.08/x
  3. Step 3: Cross multiply
    156,131.28x = 215,349.84 × 95,716.08
  4. Step 4: Simplify right side
    156,131.28x = 20,612,442,513.43
  5. Step 5: Solve for x
    x = 20,612,442,513.43/156,131.28
  6. Step 6: Final answer
    x = 132,019.94

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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.