Home / 124,724.18-187,160.08-45,893.76

Finding the Fourth Proportional to 124,724.18, 187,160.08 and 45,893.76

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Solution

The fourth proportional to 124,724.18, 187,160.08 and 45,893.76 is: 68,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,724.18 : 187,160.08 = 45,893.76 : x
  2. Step 2: Convert to fraction form
    124,724.18/187,160.08 = 45,893.76/x
  3. Step 3: Cross multiply
    124,724.18x = 187,160.08 × 45,893.76
  4. Step 4: Simplify right side
    124,724.18x = 8,589,479,793.10
  5. Step 5: Solve for x
    x = 8,589,479,793.10/124,724.18
  6. Step 6: Final answer
    x = 68,867.80

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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.