Home / 156,119.59-215,450.25-95,678.56

Finding the Fourth Proportional to 156,119.59, 215,450.25 and 95,678.56

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Solution

The fourth proportional to 156,119.59, 215,450.25 and 95,678.56 is: 132,039.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,119.59 : 215,450.25 = 95,678.56 : x
  2. Step 2: Convert to fraction form
    156,119.59/215,450.25 = 95,678.56/x
  3. Step 3: Cross multiply
    156,119.59x = 215,450.25 × 95,678.56
  4. Step 4: Simplify right side
    156,119.59x = 20,613,969,671.64
  5. Step 5: Solve for x
    x = 20,613,969,671.64/156,119.59
  6. Step 6: Final answer
    x = 132,039.61

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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.