Home / 132,564.04-198,728.19-48,308.36

Finding the Fourth Proportional to 132,564.04, 198,728.19 and 48,308.36

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Solution

The fourth proportional to 132,564.04, 198,728.19 and 48,308.36 is: 72,419.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,564.04 : 198,728.19 = 48,308.36 : x
  2. Step 2: Convert to fraction form
    132,564.04/198,728.19 = 48,308.36/x
  3. Step 3: Cross multiply
    132,564.04x = 198,728.19 × 48,308.36
  4. Step 4: Simplify right side
    132,564.04x = 9,600,231,951.03
  5. Step 5: Solve for x
    x = 9,600,231,951.03/132,564.04
  6. Step 6: Final answer
    x = 72,419.58

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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.