Home / 195,890.25-293,835.33-129,314.79

Finding the Fourth Proportional to 195,890.25, 293,835.33 and 129,314.79

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Solution

The fourth proportional to 195,890.25, 293,835.33 and 129,314.79 is: 193,972.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,890.25 : 293,835.33 = 129,314.79 : x
  2. Step 2: Convert to fraction form
    195,890.25/293,835.33 = 129,314.79/x
  3. Step 3: Cross multiply
    195,890.25x = 293,835.33 × 129,314.79
  4. Step 4: Simplify right side
    195,890.25x = 37,997,253,993.53
  5. Step 5: Solve for x
    x = 37,997,253,993.53/195,890.25
  6. Step 6: Final answer
    x = 193,972.16

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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.