Home / 195,869.64-293,804.56-129,294.21

Finding the Fourth Proportional to 195,869.64, 293,804.56 and 129,294.21

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Solution

The fourth proportional to 195,869.64, 293,804.56 and 129,294.21 is: 193,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,869.64 : 293,804.56 = 129,294.21 : x
  2. Step 2: Convert to fraction form
    195,869.64/293,804.56 = 129,294.21/x
  3. Step 3: Cross multiply
    195,869.64x = 293,804.56 × 129,294.21
  4. Step 4: Simplify right side
    195,869.64x = 37,987,229,742.98
  5. Step 5: Solve for x
    x = 37,987,229,742.98/195,869.64
  6. Step 6: Final answer
    x = 193,941.38

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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.