Home / 124,840.80-187,261.20-82,850.40

Finding the Fourth Proportional to 124,840.80, 187,261.20 and 82,850.40

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Solution

The fourth proportional to 124,840.80, 187,261.20 and 82,850.40 is: 124,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,840.80 : 187,261.20 = 82,850.40 : x
  2. Step 2: Convert to fraction form
    124,840.80/187,261.20 = 82,850.40/x
  3. Step 3: Cross multiply
    124,840.80x = 187,261.20 × 82,850.40
  4. Step 4: Simplify right side
    124,840.80x = 15,514,665,324.48
  5. Step 5: Solve for x
    x = 15,514,665,324.48/124,840.80
  6. Step 6: Final answer
    x = 124,275.60

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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.