Home / 123,583.20-185,374.80-34,839.60

Finding the Fourth Proportional to 123,583.20, 185,374.80 and 34,839.60

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Solution

The fourth proportional to 123,583.20, 185,374.80 and 34,839.60 is: 52,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,583.20 : 185,374.80 = 34,839.60 : x
  2. Step 2: Convert to fraction form
    123,583.20/185,374.80 = 34,839.60/x
  3. Step 3: Cross multiply
    123,583.20x = 185,374.80 × 34,839.60
  4. Step 4: Simplify right side
    123,583.20x = 6,458,383,882.08
  5. Step 5: Solve for x
    x = 6,458,383,882.08/123,583.20
  6. Step 6: Final answer
    x = 52,259.40

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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.