Home / 185,861.55-278,635.59-80,601.24

Finding the Fourth Proportional to 185,861.55, 278,635.59 and 80,601.24

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Solution

The fourth proportional to 185,861.55, 278,635.59 and 80,601.24 is: 120,833.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,861.55 : 278,635.59 = 80,601.24 : x
  2. Step 2: Convert to fraction form
    185,861.55/278,635.59 = 80,601.24/x
  3. Step 3: Cross multiply
    185,861.55x = 278,635.59 × 80,601.24
  4. Step 4: Simplify right side
    185,861.55x = 22,458,374,062.13
  5. Step 5: Solve for x
    x = 22,458,374,062.13/185,861.55
  6. Step 6: Final answer
    x = 120,833.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.