Home / 179,121.39-268,699.59-66,775.29

Finding the Fourth Proportional to 179,121.39, 268,699.59 and 66,775.29

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Solution

The fourth proportional to 179,121.39, 268,699.59 and 66,775.29 is: 100,169.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,121.39 : 268,699.59 = 66,775.29 : x
  2. Step 2: Convert to fraction form
    179,121.39/268,699.59 = 66,775.29/x
  3. Step 3: Cross multiply
    179,121.39x = 268,699.59 × 66,775.29
  4. Step 4: Simplify right side
    179,121.39x = 17,942,493,045.13
  5. Step 5: Solve for x
    x = 17,942,493,045.13/179,121.39
  6. Step 6: Final answer
    x = 100,169.46

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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.