Home / 132,126.27-182,321.93-74,770.83

Finding the Fourth Proportional to 132,126.27, 182,321.93 and 74,770.83

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Solution

The fourth proportional to 132,126.27, 182,321.93 and 74,770.83 is: 103,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,126.27 : 182,321.93 = 74,770.83 : x
  2. Step 2: Convert to fraction form
    132,126.27/182,321.93 = 74,770.83/x
  3. Step 3: Cross multiply
    132,126.27x = 182,321.93 × 74,770.83
  4. Step 4: Simplify right side
    132,126.27x = 13,632,361,659.45
  5. Step 5: Solve for x
    x = 13,632,361,659.45/132,126.27
  6. Step 6: Final answer
    x = 103,176.77

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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.