Home / 132,195.12-182,452.57-74,837.72

Finding the Fourth Proportional to 132,195.12, 182,452.57 and 74,837.72

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Solution

The fourth proportional to 132,195.12, 182,452.57 and 74,837.72 is: 103,289.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,195.12 : 182,452.57 = 74,837.72 : x
  2. Step 2: Convert to fraction form
    132,195.12/182,452.57 = 74,837.72/x
  3. Step 3: Cross multiply
    132,195.12x = 182,452.57 × 74,837.72
  4. Step 4: Simplify right side
    132,195.12x = 13,654,333,247.58
  5. Step 5: Solve for x
    x = 13,654,333,247.58/132,195.12
  6. Step 6: Final answer
    x = 103,289.24

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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.