Home / 132,219.12-198,367.56-53,292.72

Finding the Fourth Proportional to 132,219.12, 198,367.56 and 53,292.72

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Solution

The fourth proportional to 132,219.12, 198,367.56 and 53,292.72 is: 79,954.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,219.12 : 198,367.56 = 53,292.72 : x
  2. Step 2: Convert to fraction form
    132,219.12/198,367.56 = 53,292.72/x
  3. Step 3: Cross multiply
    132,219.12x = 198,367.56 × 53,292.72
  4. Step 4: Simplify right side
    132,219.12x = 10,571,546,832.16
  5. Step 5: Solve for x
    x = 10,571,546,832.16/132,219.12
  6. Step 6: Final answer
    x = 79,954.75

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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.