Home / 137,844.30-206,766.45-122,810.70

Finding the Fourth Proportional to 137,844.30, 206,766.45 and 122,810.70

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Solution

The fourth proportional to 137,844.30, 206,766.45 and 122,810.70 is: 184,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,844.30 : 206,766.45 = 122,810.70 : x
  2. Step 2: Convert to fraction form
    137,844.30/206,766.45 = 122,810.70/x
  3. Step 3: Cross multiply
    137,844.30x = 206,766.45 × 122,810.70
  4. Step 4: Simplify right side
    137,844.30x = 25,393,132,461.02
  5. Step 5: Solve for x
    x = 25,393,132,461.02/137,844.30
  6. Step 6: Final answer
    x = 184,216.05

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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.