Home / 167,826.60-251,740.53-67,988.70

Finding the Fourth Proportional to 167,826.60, 251,740.53 and 67,988.70

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Solution

The fourth proportional to 167,826.60, 251,740.53 and 67,988.70 is: 101,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,826.60 : 251,740.53 = 67,988.70 : x
  2. Step 2: Convert to fraction form
    167,826.60/251,740.53 = 67,988.70/x
  3. Step 3: Cross multiply
    167,826.60x = 251,740.53 × 67,988.70
  4. Step 4: Simplify right side
    167,826.60x = 17,115,511,372.01
  5. Step 5: Solve for x
    x = 17,115,511,372.01/167,826.60
  6. Step 6: Final answer
    x = 101,983.31

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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.