Home / 156,040.38-215,298.27-94,785.35

Finding the Fourth Proportional to 156,040.38, 215,298.27 and 94,785.35

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Solution

The fourth proportional to 156,040.38, 215,298.27 and 94,785.35 is: 130,781.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,040.38 : 215,298.27 = 94,785.35 : x
  2. Step 2: Convert to fraction form
    156,040.38/215,298.27 = 94,785.35/x
  3. Step 3: Cross multiply
    156,040.38x = 215,298.27 × 94,785.35
  4. Step 4: Simplify right side
    156,040.38x = 20,407,120,799.85
  5. Step 5: Solve for x
    x = 20,407,120,799.85/156,040.38
  6. Step 6: Final answer
    x = 130,781.02

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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.