Home / 132,389.67-182,785.72-101,708.12

Finding the Fourth Proportional to 132,389.67, 182,785.72 and 101,708.12

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Solution

The fourth proportional to 132,389.67, 182,785.72 and 101,708.12 is: 140,424.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,389.67 : 182,785.72 = 101,708.12 : x
  2. Step 2: Convert to fraction form
    132,389.67/182,785.72 = 101,708.12/x
  3. Step 3: Cross multiply
    132,389.67x = 182,785.72 × 101,708.12
  4. Step 4: Simplify right side
    132,389.67x = 18,590,791,944.05
  5. Step 5: Solve for x
    x = 18,590,791,944.05/132,389.67
  6. Step 6: Final answer
    x = 140,424.79

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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.