Home / 132,528.38-198,856.35-65,974.32

Finding the Fourth Proportional to 132,528.38, 198,856.35 and 65,974.32

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Solution

The fourth proportional to 132,528.38, 198,856.35 and 65,974.32 is: 98,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,528.38 : 198,856.35 = 65,974.32 : x
  2. Step 2: Convert to fraction form
    132,528.38/198,856.35 = 65,974.32/x
  3. Step 3: Cross multiply
    132,528.38x = 198,856.35 × 65,974.32
  4. Step 4: Simplify right side
    132,528.38x = 13,119,412,468.93
  5. Step 5: Solve for x
    x = 13,119,412,468.93/132,528.38
  6. Step 6: Final answer
    x = 98,993.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.