Home / 131,972.24-182,123.97-75,384.02

Finding the Fourth Proportional to 131,972.24, 182,123.97 and 75,384.02

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Solution

The fourth proportional to 131,972.24, 182,123.97 and 75,384.02 is: 104,031.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,972.24 : 182,123.97 = 75,384.02 : x
  2. Step 2: Convert to fraction form
    131,972.24/182,123.97 = 75,384.02/x
  3. Step 3: Cross multiply
    131,972.24x = 182,123.97 × 75,384.02
  4. Step 4: Simplify right side
    131,972.24x = 13,729,236,996.96
  5. Step 5: Solve for x
    x = 13,729,236,996.96/131,972.24
  6. Step 6: Final answer
    x = 104,031.25

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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.