Home / 132,513.72-182,944.38-87,323.04

Finding the Fourth Proportional to 132,513.72, 182,944.38 and 87,323.04

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Solution

The fourth proportional to 132,513.72, 182,944.38 and 87,323.04 is: 120,555.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,513.72 : 182,944.38 = 87,323.04 : x
  2. Step 2: Convert to fraction form
    132,513.72/182,944.38 = 87,323.04/x
  3. Step 3: Cross multiply
    132,513.72x = 182,944.38 × 87,323.04
  4. Step 4: Simplify right side
    132,513.72x = 15,975,259,412.52
  5. Step 5: Solve for x
    x = 15,975,259,412.52/132,513.72
  6. Step 6: Final answer
    x = 120,555.51

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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.