Home / 125,151.52-187,725.27-30,382.46

Finding the Fourth Proportional to 125,151.52, 187,725.27 and 30,382.46

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Solution

The fourth proportional to 125,151.52, 187,725.27 and 30,382.46 is: 45,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,151.52 : 187,725.27 = 30,382.46 : x
  2. Step 2: Convert to fraction form
    125,151.52/187,725.27 = 30,382.46/x
  3. Step 3: Cross multiply
    125,151.52x = 187,725.27 × 30,382.46
  4. Step 4: Simplify right side
    125,151.52x = 5,703,555,506.76
  5. Step 5: Solve for x
    x = 5,703,555,506.76/125,151.52
  6. Step 6: Final answer
    x = 45,573.20

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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.