Home / 132,481.51-182,822.70-72,050.85

Finding the Fourth Proportional to 132,481.51, 182,822.70 and 72,050.85

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Solution

The fourth proportional to 132,481.51, 182,822.70 and 72,050.85 is: 99,429.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,481.51 : 182,822.70 = 72,050.85 : x
  2. Step 2: Convert to fraction form
    132,481.51/182,822.70 = 72,050.85/x
  3. Step 3: Cross multiply
    132,481.51x = 182,822.70 × 72,050.85
  4. Step 4: Simplify right side
    132,481.51x = 13,172,530,934.30
  5. Step 5: Solve for x
    x = 13,172,530,934.30/132,481.51
  6. Step 6: Final answer
    x = 99,429.20

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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.