Home / 132,195.29-182,361.92-84,398.40

Finding the Fourth Proportional to 132,195.29, 182,361.92 and 84,398.40

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Solution

The fourth proportional to 132,195.29, 182,361.92 and 84,398.40 is: 116,426.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,195.29 : 182,361.92 = 84,398.40 : x
  2. Step 2: Convert to fraction form
    132,195.29/182,361.92 = 84,398.40/x
  3. Step 3: Cross multiply
    132,195.29x = 182,361.92 × 84,398.40
  4. Step 4: Simplify right side
    132,195.29x = 15,391,053,846.94
  5. Step 5: Solve for x
    x = 15,391,053,846.94/132,195.29
  6. Step 6: Final answer
    x = 116,426.65

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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.