Home / 124,808.20-187,385.10-98,542.60

Finding the Fourth Proportional to 124,808.20, 187,385.10 and 98,542.60

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Solution

The fourth proportional to 124,808.20, 187,385.10 and 98,542.60 is: 147,950.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,808.20 : 187,385.10 = 98,542.60 : x
  2. Step 2: Convert to fraction form
    124,808.20/187,385.10 = 98,542.60/x
  3. Step 3: Cross multiply
    124,808.20x = 187,385.10 × 98,542.60
  4. Step 4: Simplify right side
    124,808.20x = 18,465,414,955.26
  5. Step 5: Solve for x
    x = 18,465,414,955.26/124,808.20
  6. Step 6: Final answer
    x = 147,950.33

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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.