Home / 137,845.56-206,765.94-75,482.04

Finding the Fourth Proportional to 137,845.56, 206,765.94 and 75,482.04

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Solution

The fourth proportional to 137,845.56, 206,765.94 and 75,482.04 is: 113,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,845.56 : 206,765.94 = 75,482.04 : x
  2. Step 2: Convert to fraction form
    137,845.56/206,765.94 = 75,482.04/x
  3. Step 3: Cross multiply
    137,845.56x = 206,765.94 × 75,482.04
  4. Step 4: Simplify right side
    137,845.56x = 15,607,114,953.72
  5. Step 5: Solve for x
    x = 15,607,114,953.72/137,845.56
  6. Step 6: Final answer
    x = 113,221.75

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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.