Home / 123,964.20-185,727.60-101,656.80

Finding the Fourth Proportional to 123,964.20, 185,727.60 and 101,656.80

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Solution

The fourth proportional to 123,964.20, 185,727.60 and 101,656.80 is: 152,305.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,964.20 : 185,727.60 = 101,656.80 : x
  2. Step 2: Convert to fraction form
    123,964.20/185,727.60 = 101,656.80/x
  3. Step 3: Cross multiply
    123,964.20x = 185,727.60 × 101,656.80
  4. Step 4: Simplify right side
    123,964.20x = 18,880,473,487.68
  5. Step 5: Solve for x
    x = 18,880,473,487.68/123,964.20
  6. Step 6: Final answer
    x = 152,305.86

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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.