Home / 158,125.80-237,229.20-91,446.60

Finding the Fourth Proportional to 158,125.80, 237,229.20 and 91,446.60

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Solution

The fourth proportional to 158,125.80, 237,229.20 and 91,446.60 is: 137,193.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,125.80 : 237,229.20 = 91,446.60 : x
  2. Step 2: Convert to fraction form
    158,125.80/237,229.20 = 91,446.60/x
  3. Step 3: Cross multiply
    158,125.80x = 237,229.20 × 91,446.60
  4. Step 4: Simplify right side
    158,125.80x = 21,693,803,760.72
  5. Step 5: Solve for x
    x = 21,693,803,760.72/158,125.80
  6. Step 6: Final answer
    x = 137,193.32

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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.