Home / 123,839.32-185,758.96-30,344.26

Finding the Fourth Proportional to 123,839.32, 185,758.96 and 30,344.26

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Solution

The fourth proportional to 123,839.32, 185,758.96 and 30,344.26 is: 45,516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,839.32 : 185,758.96 = 30,344.26 : x
  2. Step 2: Convert to fraction form
    123,839.32/185,758.96 = 30,344.26/x
  3. Step 3: Cross multiply
    123,839.32x = 185,758.96 × 30,344.26
  4. Step 4: Simplify right side
    123,839.32x = 5,636,718,179.57
  5. Step 5: Solve for x
    x = 5,636,718,179.57/123,839.32
  6. Step 6: Final answer
    x = 45,516.39

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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.