Home / 124,836.80-187,255.20-82,846.40

Finding the Fourth Proportional to 124,836.80, 187,255.20 and 82,846.40

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Solution

The fourth proportional to 124,836.80, 187,255.20 and 82,846.40 is: 124,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,836.80 : 187,255.20 = 82,846.40 : x
  2. Step 2: Convert to fraction form
    124,836.80/187,255.20 = 82,846.40/x
  3. Step 3: Cross multiply
    124,836.80x = 187,255.20 × 82,846.40
  4. Step 4: Simplify right side
    124,836.80x = 15,513,419,201.28
  5. Step 5: Solve for x
    x = 15,513,419,201.28/124,836.80
  6. Step 6: Final answer
    x = 124,269.60

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1.5x scale

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.