Home / 132,916.80-198,986.40-88,593.60

Finding the Fourth Proportional to 132,916.80, 198,986.40 and 88,593.60

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Solution

The fourth proportional to 132,916.80, 198,986.40 and 88,593.60 is: 132,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,916.80 : 198,986.40 = 88,593.60 : x
  2. Step 2: Convert to fraction form
    132,916.80/198,986.40 = 88,593.60/x
  3. Step 3: Cross multiply
    132,916.80x = 198,986.40 × 88,593.60
  4. Step 4: Simplify right side
    132,916.80x = 17,628,921,527.04
  5. Step 5: Solve for x
    x = 17,628,921,527.04/132,916.80
  6. Step 6: Final answer
    x = 132,631.25

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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.