Home / 125,241.36-187,943.46-54,233.34

Finding the Fourth Proportional to 125,241.36, 187,943.46 and 54,233.34

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Solution

The fourth proportional to 125,241.36, 187,943.46 and 54,233.34 is: 81,385.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,241.36 : 187,943.46 = 54,233.34 : x
  2. Step 2: Convert to fraction form
    125,241.36/187,943.46 = 54,233.34/x
  3. Step 3: Cross multiply
    125,241.36x = 187,943.46 × 54,233.34
  4. Step 4: Simplify right side
    125,241.36x = 10,192,801,566.96
  5. Step 5: Solve for x
    x = 10,192,801,566.96/125,241.36
  6. Step 6: Final answer
    x = 81,385.27

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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.