Home / 132,659.52-198,813.76-53,680.32

Finding the Fourth Proportional to 132,659.52, 198,813.76 and 53,680.32

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Solution

The fourth proportional to 132,659.52, 198,813.76 and 53,680.32 is: 80,449.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,659.52 : 198,813.76 = 53,680.32 : x
  2. Step 2: Convert to fraction form
    132,659.52/198,813.76 = 53,680.32/x
  3. Step 3: Cross multiply
    132,659.52x = 198,813.76 × 53,680.32
  4. Step 4: Simplify right side
    132,659.52x = 10,672,386,257.20
  5. Step 5: Solve for x
    x = 10,672,386,257.20/132,659.52
  6. Step 6: Final answer
    x = 80,449.46

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1.5x scale

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.