Home / 132,108.38-182,309.32-71,679.01

Finding the Fourth Proportional to 132,108.38, 182,309.32 and 71,679.01

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Solution

The fourth proportional to 132,108.38, 182,309.32 and 71,679.01 is: 98,916.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,108.38 : 182,309.32 = 71,679.01 : x
  2. Step 2: Convert to fraction form
    132,108.38/182,309.32 = 71,679.01/x
  3. Step 3: Cross multiply
    132,108.38x = 182,309.32 × 71,679.01
  4. Step 4: Simplify right side
    132,108.38x = 13,067,751,411.71
  5. Step 5: Solve for x
    x = 13,067,751,411.71/132,108.38
  6. Step 6: Final answer
    x = 98,916.90

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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.