Home / 131,982.96-182,146.14-75,393.12

Finding the Fourth Proportional to 131,982.96, 182,146.14 and 75,393.12

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Solution

The fourth proportional to 131,982.96, 182,146.14 and 75,393.12 is: 104,048.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,982.96 : 182,146.14 = 75,393.12 : x
  2. Step 2: Convert to fraction form
    131,982.96/182,146.14 = 75,393.12/x
  3. Step 3: Cross multiply
    131,982.96x = 182,146.14 × 75,393.12
  4. Step 4: Simplify right side
    131,982.96x = 13,732,565,790.56
  5. Step 5: Solve for x
    x = 13,732,565,790.56/131,982.96
  6. Step 6: Final answer
    x = 104,048.02

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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.