Home / 132,299.47-182,576.55-71,870.10

Finding the Fourth Proportional to 132,299.47, 182,576.55 and 71,870.10

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Solution

The fourth proportional to 132,299.47, 182,576.55 and 71,870.10 is: 99,182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,299.47 : 182,576.55 = 71,870.10 : x
  2. Step 2: Convert to fraction form
    132,299.47/182,576.55 = 71,870.10/x
  3. Step 3: Cross multiply
    132,299.47x = 182,576.55 × 71,870.10
  4. Step 4: Simplify right side
    132,299.47x = 13,121,794,906.16
  5. Step 5: Solve for x
    x = 13,121,794,906.16/132,299.47
  6. Step 6: Final answer
    x = 99,182.52

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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.