Home / 132,156.12-198,273.06-53,229.72

Finding the Fourth Proportional to 132,156.12, 198,273.06 and 53,229.72

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Solution

The fourth proportional to 132,156.12, 198,273.06 and 53,229.72 is: 79,860.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,156.12 : 198,273.06 = 53,229.72 : x
  2. Step 2: Convert to fraction form
    132,156.12/198,273.06 = 53,229.72/x
  3. Step 3: Cross multiply
    132,156.12x = 198,273.06 × 53,229.72
  4. Step 4: Simplify right side
    132,156.12x = 10,554,019,467.34
  5. Step 5: Solve for x
    x = 10,554,019,467.34/132,156.12
  6. Step 6: Final answer
    x = 79,860.24

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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.