Home / 140,195.16-193,452.30-79,773.48

Finding the Fourth Proportional to 140,195.16, 193,452.30 and 79,773.48

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Solution

The fourth proportional to 140,195.16, 193,452.30 and 79,773.48 is: 110,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,195.16 : 193,452.30 = 79,773.48 : x
  2. Step 2: Convert to fraction form
    140,195.16/193,452.30 = 79,773.48/x
  3. Step 3: Cross multiply
    140,195.16x = 193,452.30 × 79,773.48
  4. Step 4: Simplify right side
    140,195.16x = 15,432,363,185.00
  5. Step 5: Solve for x
    x = 15,432,363,185.00/140,195.16
  6. Step 6: Final answer
    x = 110,077.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.