Home / 132,621.28-198,934.02-73,830.62

Finding the Fourth Proportional to 132,621.28, 198,934.02 and 73,830.62

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Solution

The fourth proportional to 132,621.28, 198,934.02 and 73,830.62 is: 110,747.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,621.28 : 198,934.02 = 73,830.62 : x
  2. Step 2: Convert to fraction form
    132,621.28/198,934.02 = 73,830.62/x
  3. Step 3: Cross multiply
    132,621.28x = 198,934.02 × 73,830.62
  4. Step 4: Simplify right side
    132,621.28x = 14,687,422,533.03
  5. Step 5: Solve for x
    x = 14,687,422,533.03/132,621.28
  6. Step 6: Final answer
    x = 110,747.10

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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.