Home / 132,037.92-182,196-84,319.20

Finding the Fourth Proportional to 132,037.92, 182,196 and 84,319.20

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Solution

The fourth proportional to 132,037.92, 182,196 and 84,319.20 is: 116,350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,037.92 : 182,196 = 84,319.20 : x
  2. Step 2: Convert to fraction form
    132,037.92/182,196 = 84,319.20/x
  3. Step 3: Cross multiply
    132,037.92x = 182,196 × 84,319.20
  4. Step 4: Simplify right side
    132,037.92x = 15,362,620,963.20
  5. Step 5: Solve for x
    x = 15,362,620,963.20/132,037.92
  6. Step 6: Final answer
    x = 116,350.07

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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.