Home / 125,152.11-187,728.24-30,382.44

Finding the Fourth Proportional to 125,152.11, 187,728.24 and 30,382.44

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Solution

The fourth proportional to 125,152.11, 187,728.24 and 30,382.44 is: 45,573.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,152.11 : 187,728.24 = 30,382.44 : x
  2. Step 2: Convert to fraction form
    125,152.11/187,728.24 = 30,382.44/x
  3. Step 3: Cross multiply
    125,152.11x = 187,728.24 × 30,382.44
  4. Step 4: Simplify right side
    125,152.11x = 5,703,641,988.11
  5. Step 5: Solve for x
    x = 5,703,641,988.11/125,152.11
  6. Step 6: Final answer
    x = 45,573.68

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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.