Home / 156,034.43-215,333.03-88,047.44

Finding the Fourth Proportional to 156,034.43, 215,333.03 and 88,047.44

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Solution

The fourth proportional to 156,034.43, 215,333.03 and 88,047.44 is: 121,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,034.43 : 215,333.03 = 88,047.44 : x
  2. Step 2: Convert to fraction form
    156,034.43/215,333.03 = 88,047.44/x
  3. Step 3: Cross multiply
    156,034.43x = 215,333.03 × 88,047.44
  4. Step 4: Simplify right side
    156,034.43x = 18,959,520,522.04
  5. Step 5: Solve for x
    x = 18,959,520,522.04/156,034.43
  6. Step 6: Final answer
    x = 121,508.57

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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.