Home / 123,426.60-185,120.10-44,500.20

Finding the Fourth Proportional to 123,426.60, 185,120.10 and 44,500.20

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Solution

The fourth proportional to 123,426.60, 185,120.10 and 44,500.20 is: 66,743.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,426.60 : 185,120.10 = 44,500.20 : x
  2. Step 2: Convert to fraction form
    123,426.60/185,120.10 = 44,500.20/x
  3. Step 3: Cross multiply
    123,426.60x = 185,120.10 × 44,500.20
  4. Step 4: Simplify right side
    123,426.60x = 8,237,881,474.02
  5. Step 5: Solve for x
    x = 8,237,881,474.02/123,426.60
  6. Step 6: Final answer
    x = 66,743.16

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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.