Home / 125,324.24-187,998.26-45,382.40

Finding the Fourth Proportional to 125,324.24, 187,998.26 and 45,382.40

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Solution

The fourth proportional to 125,324.24, 187,998.26 and 45,382.40 is: 68,077.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,324.24 : 187,998.26 = 45,382.40 : x
  2. Step 2: Convert to fraction form
    125,324.24/187,998.26 = 45,382.40/x
  3. Step 3: Cross multiply
    125,324.24x = 187,998.26 × 45,382.40
  4. Step 4: Simplify right side
    125,324.24x = 8,531,812,234.62
  5. Step 5: Solve for x
    x = 8,531,812,234.62/125,324.24
  6. Step 6: Final answer
    x = 68,077.91

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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.