Home / 132,268.47-182,532.65-71,839.14

Finding the Fourth Proportional to 132,268.47, 182,532.65 and 71,839.14

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Solution

The fourth proportional to 132,268.47, 182,532.65 and 71,839.14 is: 99,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,268.47 : 182,532.65 = 71,839.14 : x
  2. Step 2: Convert to fraction form
    132,268.47/182,532.65 = 71,839.14/x
  3. Step 3: Cross multiply
    132,268.47x = 182,532.65 × 71,839.14
  4. Step 4: Simplify right side
    132,268.47x = 13,112,988,597.92
  5. Step 5: Solve for x
    x = 13,112,988,597.92/132,268.47
  6. Step 6: Final answer
    x = 99,139.19

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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.