Home / 156,125.04-215,452.17-84,504.48

Finding the Fourth Proportional to 156,125.04, 215,452.17 and 84,504.48

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Solution

The fourth proportional to 156,125.04, 215,452.17 and 84,504.48 is: 116,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,125.04 : 215,452.17 = 84,504.48 : x
  2. Step 2: Convert to fraction form
    156,125.04/215,452.17 = 84,504.48/x
  3. Step 3: Cross multiply
    156,125.04x = 215,452.17 × 84,504.48
  4. Step 4: Simplify right side
    156,125.04x = 18,206,673,590.72
  5. Step 5: Solve for x
    x = 18,206,673,590.72/156,125.04
  6. Step 6: Final answer
    x = 116,615.97

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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.