Home / 132,533.46-198,863.91-65,979.36

Finding the Fourth Proportional to 132,533.46, 198,863.91 and 65,979.36

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Solution

The fourth proportional to 132,533.46, 198,863.91 and 65,979.36 is: 99,000.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,533.46 : 198,863.91 = 65,979.36 : x
  2. Step 2: Convert to fraction form
    132,533.46/198,863.91 = 65,979.36/x
  3. Step 3: Cross multiply
    132,533.46x = 198,863.91 × 65,979.36
  4. Step 4: Simplify right side
    132,533.46x = 13,120,913,508.90
  5. Step 5: Solve for x
    x = 13,120,913,508.90/132,533.46
  6. Step 6: Final answer
    x = 99,000.76

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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.