Home / 132,326.40-198,489.60-122,995.20

Finding the Fourth Proportional to 132,326.40, 198,489.60 and 122,995.20

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Solution

The fourth proportional to 132,326.40, 198,489.60 and 122,995.20 is: 184,492.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,326.40 : 198,489.60 = 122,995.20 : x
  2. Step 2: Convert to fraction form
    132,326.40/198,489.60 = 122,995.20/x
  3. Step 3: Cross multiply
    132,326.40x = 198,489.60 × 122,995.20
  4. Step 4: Simplify right side
    132,326.40x = 24,413,268,049.92
  5. Step 5: Solve for x
    x = 24,413,268,049.92/132,326.40
  6. Step 6: Final answer
    x = 184,492.80

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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.