Home / 243,865.30-365,791.08-66,373.85

Finding the Fourth Proportional to 243,865.30, 365,791.08 and 66,373.85

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Solution

The fourth proportional to 243,865.30, 365,791.08 and 66,373.85 is: 99,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,865.30 : 365,791.08 = 66,373.85 : x
  2. Step 2: Convert to fraction form
    243,865.30/365,791.08 = 66,373.85/x
  3. Step 3: Cross multiply
    243,865.30x = 365,791.08 × 66,373.85
  4. Step 4: Simplify right side
    243,865.30x = 24,278,961,943.39
  5. Step 5: Solve for x
    x = 24,278,961,943.39/243,865.30
  6. Step 6: Final answer
    x = 99,558.90

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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.