Home / 195,991.20-293,403.60-117,064.80

Finding the Fourth Proportional to 195,991.20, 293,403.60 and 117,064.80

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Solution

The fourth proportional to 195,991.20, 293,403.60 and 117,064.80 is: 175,248.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,991.20 : 293,403.60 = 117,064.80 : x
  2. Step 2: Convert to fraction form
    195,991.20/293,403.60 = 117,064.80/x
  3. Step 3: Cross multiply
    195,991.20x = 293,403.60 × 117,064.80
  4. Step 4: Simplify right side
    195,991.20x = 34,347,233,753.28
  5. Step 5: Solve for x
    x = 34,347,233,753.28/195,991.20
  6. Step 6: Final answer
    x = 175,248.86

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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.