Home / 131,968.74-182,119.14-75,380.52

Finding the Fourth Proportional to 131,968.74, 182,119.14 and 75,380.52

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Solution

The fourth proportional to 131,968.74, 182,119.14 and 75,380.52 is: 104,026.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,968.74 : 182,119.14 = 75,380.52 : x
  2. Step 2: Convert to fraction form
    131,968.74/182,119.14 = 75,380.52/x
  3. Step 3: Cross multiply
    131,968.74x = 182,119.14 × 75,380.52
  4. Step 4: Simplify right side
    131,968.74x = 13,728,235,475.15
  5. Step 5: Solve for x
    x = 13,728,235,475.15/131,968.74
  6. Step 6: Final answer
    x = 104,026.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.