Home / 123,630.20-185,364.30-48,705.20

Finding the Fourth Proportional to 123,630.20, 185,364.30 and 48,705.20

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Solution

The fourth proportional to 123,630.20, 185,364.30 and 48,705.20 is: 73,025.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,630.20 : 185,364.30 = 48,705.20 : x
  2. Step 2: Convert to fraction form
    123,630.20/185,364.30 = 48,705.20/x
  3. Step 3: Cross multiply
    123,630.20x = 185,364.30 × 48,705.20
  4. Step 4: Simplify right side
    123,630.20x = 9,028,205,304.36
  5. Step 5: Solve for x
    x = 9,028,205,304.36/123,630.20
  6. Step 6: Final answer
    x = 73,025.89

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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.