Home / 125,251.64-187,875.87-30,481.98

Finding the Fourth Proportional to 125,251.64, 187,875.87 and 30,481.98

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Solution

The fourth proportional to 125,251.64, 187,875.87 and 30,481.98 is: 45,722.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,251.64 : 187,875.87 = 30,481.98 : x
  2. Step 2: Convert to fraction form
    125,251.64/187,875.87 = 30,481.98/x
  3. Step 3: Cross multiply
    125,251.64x = 187,875.87 × 30,481.98
  4. Step 4: Simplify right side
    125,251.64x = 5,726,828,511.82
  5. Step 5: Solve for x
    x = 5,726,828,511.82/125,251.64
  6. Step 6: Final answer
    x = 45,722.58

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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.