Home / 132,348.93-182,641.38-71,919.43

Finding the Fourth Proportional to 132,348.93, 182,641.38 and 71,919.43

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Solution

The fourth proportional to 132,348.93, 182,641.38 and 71,919.43 is: 99,248.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,348.93 : 182,641.38 = 71,919.43 : x
  2. Step 2: Convert to fraction form
    132,348.93/182,641.38 = 71,919.43/x
  3. Step 3: Cross multiply
    132,348.93x = 182,641.38 × 71,919.43
  4. Step 4: Simplify right side
    132,348.93x = 13,135,463,944.01
  5. Step 5: Solve for x
    x = 13,135,463,944.01/132,348.93
  6. Step 6: Final answer
    x = 99,248.74

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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.