Home / 132,650.81-198,851.10-66,027.95

Finding the Fourth Proportional to 132,650.81, 198,851.10 and 66,027.95

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Solution

The fourth proportional to 132,650.81, 198,851.10 and 66,027.95 is: 98,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,650.81 : 198,851.10 = 66,027.95 : x
  2. Step 2: Convert to fraction form
    132,650.81/198,851.10 = 66,027.95/x
  3. Step 3: Cross multiply
    132,650.81x = 198,851.10 × 66,027.95
  4. Step 4: Simplify right side
    132,650.81x = 13,129,729,493.99
  5. Step 5: Solve for x
    x = 13,129,729,493.99/132,650.81
  6. Step 6: Final answer
    x = 98,979.64

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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.