Home / 132,565.50-198,848.25-109,142.73

Finding the Fourth Proportional to 132,565.50, 198,848.25 and 109,142.73

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Solution

The fourth proportional to 132,565.50, 198,848.25 and 109,142.73 is: 163,714.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,565.50 : 198,848.25 = 109,142.73 : x
  2. Step 2: Convert to fraction form
    132,565.50/198,848.25 = 109,142.73/x
  3. Step 3: Cross multiply
    132,565.50x = 198,848.25 × 109,142.73
  4. Step 4: Simplify right side
    132,565.50x = 21,702,840,860.72
  5. Step 5: Solve for x
    x = 21,702,840,860.72/132,565.50
  6. Step 6: Final answer
    x = 163,714.10

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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.