Home / 132,301.06-182,575.81-71,871.21

Finding the Fourth Proportional to 132,301.06, 182,575.81 and 71,871.21

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Solution

The fourth proportional to 132,301.06, 182,575.81 and 71,871.21 is: 99,182.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,301.06 : 182,575.81 = 71,871.21 : x
  2. Step 2: Convert to fraction form
    132,301.06/182,575.81 = 71,871.21/x
  3. Step 3: Cross multiply
    132,301.06x = 182,575.81 × 71,871.21
  4. Step 4: Simplify right side
    132,301.06x = 13,121,944,471.27
  5. Step 5: Solve for x
    x = 13,121,944,471.27/132,301.06
  6. Step 6: Final answer
    x = 99,182.46

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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.