Home / 156,233.08-215,601.78-84,613.24

Finding the Fourth Proportional to 156,233.08, 215,601.78 and 84,613.24

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Solution

The fourth proportional to 156,233.08, 215,601.78 and 84,613.24 is: 116,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,233.08 : 215,601.78 = 84,613.24 : x
  2. Step 2: Convert to fraction form
    156,233.08/215,601.78 = 84,613.24/x
  3. Step 3: Cross multiply
    156,233.08x = 215,601.78 × 84,613.24
  4. Step 4: Simplify right side
    156,233.08x = 18,242,765,155.57
  5. Step 5: Solve for x
    x = 18,242,765,155.57/156,233.08
  6. Step 6: Final answer
    x = 116,766.34

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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.