Home / 156,347.38-215,676.12-95,112.28

Finding the Fourth Proportional to 156,347.38, 215,676.12 and 95,112.28

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Solution

The fourth proportional to 156,347.38, 215,676.12 and 95,112.28 is: 131,204.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,347.38 : 215,676.12 = 95,112.28 : x
  2. Step 2: Convert to fraction form
    156,347.38/215,676.12 = 95,112.28/x
  3. Step 3: Cross multiply
    156,347.38x = 215,676.12 × 95,112.28
  4. Step 4: Simplify right side
    156,347.38x = 20,513,447,514.75
  5. Step 5: Solve for x
    x = 20,513,447,514.75/156,347.38
  6. Step 6: Final answer
    x = 131,204.29

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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.