Home / 124,832.80-187,249.20-82,842.40

Finding the Fourth Proportional to 124,832.80, 187,249.20 and 82,842.40

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Solution

The fourth proportional to 124,832.80, 187,249.20 and 82,842.40 is: 124,263.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,832.80 : 187,249.20 = 82,842.40 : x
  2. Step 2: Convert to fraction form
    124,832.80/187,249.20 = 82,842.40/x
  3. Step 3: Cross multiply
    124,832.80x = 187,249.20 × 82,842.40
  4. Step 4: Simplify right side
    124,832.80x = 15,512,173,126.08
  5. Step 5: Solve for x
    x = 15,512,173,126.08/124,832.80
  6. Step 6: Final answer
    x = 124,263.60

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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.