Home / 123,343.44-185,071.68-67,099.29

Finding the Fourth Proportional to 123,343.44, 185,071.68 and 67,099.29

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Solution

The fourth proportional to 123,343.44, 185,071.68 and 67,099.29 is: 100,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,343.44 : 185,071.68 = 67,099.29 : x
  2. Step 2: Convert to fraction form
    123,343.44/185,071.68 = 67,099.29/x
  3. Step 3: Cross multiply
    123,343.44x = 185,071.68 × 67,099.29
  4. Step 4: Simplify right side
    123,343.44x = 12,418,178,327.11
  5. Step 5: Solve for x
    x = 12,418,178,327.11/123,343.44
  6. Step 6: Final answer
    x = 100,679.68

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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.