Home / 156,151.35-215,484.03-88,167.24

Finding the Fourth Proportional to 156,151.35, 215,484.03 and 88,167.24

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Solution

The fourth proportional to 156,151.35, 215,484.03 and 88,167.24 is: 121,668.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,151.35 : 215,484.03 = 88,167.24 : x
  2. Step 2: Convert to fraction form
    156,151.35/215,484.03 = 88,167.24/x
  3. Step 3: Cross multiply
    156,151.35x = 215,484.03 × 88,167.24
  4. Step 4: Simplify right side
    156,151.35x = 18,998,632,189.18
  5. Step 5: Solve for x
    x = 18,998,632,189.18/156,151.35
  6. Step 6: Final answer
    x = 121,668.06

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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.