Home / 125,215.25-187,844.75-55,092.74

Finding the Fourth Proportional to 125,215.25, 187,844.75 and 55,092.74

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Solution

The fourth proportional to 125,215.25, 187,844.75 and 55,092.74 is: 82,648.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,215.25 : 187,844.75 = 55,092.74 : x
  2. Step 2: Convert to fraction form
    125,215.25/187,844.75 = 55,092.74/x
  3. Step 3: Cross multiply
    125,215.25x = 187,844.75 × 55,092.74
  4. Step 4: Simplify right side
    125,215.25x = 10,348,881,972.12
  5. Step 5: Solve for x
    x = 10,348,881,972.12/125,215.25
  6. Step 6: Final answer
    x = 82,648.73

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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.