Home / 167,913.28-251,665.80-79,062.76

Finding the Fourth Proportional to 167,913.28, 251,665.80 and 79,062.76

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Solution

The fourth proportional to 167,913.28, 251,665.80 and 79,062.76 is: 118,498.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,913.28 : 251,665.80 = 79,062.76 : x
  2. Step 2: Convert to fraction form
    167,913.28/251,665.80 = 79,062.76/x
  3. Step 3: Cross multiply
    167,913.28x = 251,665.80 × 79,062.76
  4. Step 4: Simplify right side
    167,913.28x = 19,897,392,745.61
  5. Step 5: Solve for x
    x = 19,897,392,745.61/167,913.28
  6. Step 6: Final answer
    x = 118,498.03

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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.