Home / 132,157.62-198,275.31-53,231.22

Finding the Fourth Proportional to 132,157.62, 198,275.31 and 53,231.22

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Solution

The fourth proportional to 132,157.62, 198,275.31 and 53,231.22 is: 79,862.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,157.62 : 198,275.31 = 53,231.22 : x
  2. Step 2: Convert to fraction form
    132,157.62/198,275.31 = 53,231.22/x
  3. Step 3: Cross multiply
    132,157.62x = 198,275.31 × 53,231.22
  4. Step 4: Simplify right side
    132,157.62x = 10,554,436,647.18
  5. Step 5: Solve for x
    x = 10,554,436,647.18/132,157.62
  6. Step 6: Final answer
    x = 79,862.49

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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.