Home / 123,426.20-185,139.30-44,552.60

Finding the Fourth Proportional to 123,426.20, 185,139.30 and 44,552.60

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Solution

The fourth proportional to 123,426.20, 185,139.30 and 44,552.60 is: 66,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,426.20 : 185,139.30 = 44,552.60 : x
  2. Step 2: Convert to fraction form
    123,426.20/185,139.30 = 44,552.60/x
  3. Step 3: Cross multiply
    123,426.20x = 185,139.30 × 44,552.60
  4. Step 4: Simplify right side
    123,426.20x = 8,248,437,177.18
  5. Step 5: Solve for x
    x = 8,248,437,177.18/123,426.20
  6. Step 6: Final answer
    x = 66,828.90

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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.