Home / 167,439.55-251,013.52-100,808.95

Finding the Fourth Proportional to 167,439.55, 251,013.52 and 100,808.95

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Solution

The fourth proportional to 167,439.55, 251,013.52 and 100,808.95 is: 151,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,439.55 : 251,013.52 = 100,808.95 : x
  2. Step 2: Convert to fraction form
    167,439.55/251,013.52 = 100,808.95/x
  3. Step 3: Cross multiply
    167,439.55x = 251,013.52 × 100,808.95
  4. Step 4: Simplify right side
    167,439.55x = 25,304,409,387.00
  5. Step 5: Solve for x
    x = 25,304,409,387.00/167,439.55
  6. Step 6: Final answer
    x = 151,125.64

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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.