Home / 195,854.25-293,781.40-129,278.84

Finding the Fourth Proportional to 195,854.25, 293,781.40 and 129,278.84

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Solution

The fourth proportional to 195,854.25, 293,781.40 and 129,278.84 is: 193,918.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,854.25 : 293,781.40 = 129,278.84 : x
  2. Step 2: Convert to fraction form
    195,854.25/293,781.40 = 129,278.84/x
  3. Step 3: Cross multiply
    195,854.25x = 293,781.40 × 129,278.84
  4. Step 4: Simplify right side
    195,854.25x = 37,979,716,813.47
  5. Step 5: Solve for x
    x = 37,979,716,813.47/195,854.25
  6. Step 6: Final answer
    x = 193,918.26

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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.