Home / 132,065.83-182,307.68-81,086.86

Finding the Fourth Proportional to 132,065.83, 182,307.68 and 81,086.86

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Solution

The fourth proportional to 132,065.83, 182,307.68 and 81,086.86 is: 111,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,065.83 : 182,307.68 = 81,086.86 : x
  2. Step 2: Convert to fraction form
    132,065.83/182,307.68 = 81,086.86/x
  3. Step 3: Cross multiply
    132,065.83x = 182,307.68 × 81,086.86
  4. Step 4: Simplify right side
    132,065.83x = 14,782,757,325.08
  5. Step 5: Solve for x
    x = 14,782,757,325.08/132,065.83
  6. Step 6: Final answer
    x = 111,934.76

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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.