Home / 124,711.22-187,066.85-74,728.73

Finding the Fourth Proportional to 124,711.22, 187,066.85 and 74,728.73

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Solution

The fourth proportional to 124,711.22, 187,066.85 and 74,728.73 is: 112,093.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,711.22 : 187,066.85 = 74,728.73 : x
  2. Step 2: Convert to fraction form
    124,711.22/187,066.85 = 74,728.73/x
  3. Step 3: Cross multiply
    124,711.22x = 187,066.85 × 74,728.73
  4. Step 4: Simplify right side
    124,711.22x = 13,979,268,219.62
  5. Step 5: Solve for x
    x = 13,979,268,219.62/124,711.22
  6. Step 6: Final answer
    x = 112,093.11

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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.