Home / 156,121.34-215,452.67-95,680.31

Finding the Fourth Proportional to 156,121.34, 215,452.67 and 95,680.31

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Solution

The fourth proportional to 156,121.34, 215,452.67 and 95,680.31 is: 132,042.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,121.34 : 215,452.67 = 95,680.31 : x
  2. Step 2: Convert to fraction form
    156,121.34/215,452.67 = 95,680.31/x
  3. Step 3: Cross multiply
    156,121.34x = 215,452.67 × 95,680.31
  4. Step 4: Simplify right side
    156,121.34x = 20,614,578,255.93
  5. Step 5: Solve for x
    x = 20,614,578,255.93/156,121.34
  6. Step 6: Final answer
    x = 132,042.03

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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.