Home / 129,862.27-194,913.15-65,865.33

Finding the Fourth Proportional to 129,862.27, 194,913.15 and 65,865.33

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Solution

The fourth proportional to 129,862.27, 194,913.15 and 65,865.33 is: 98,858.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,862.27 : 194,913.15 = 65,865.33 : x
  2. Step 2: Convert to fraction form
    129,862.27/194,913.15 = 65,865.33/x
  3. Step 3: Cross multiply
    129,862.27x = 194,913.15 × 65,865.33
  4. Step 4: Simplify right side
    129,862.27x = 12,838,018,294.14
  5. Step 5: Solve for x
    x = 12,838,018,294.14/129,862.27
  6. Step 6: Final answer
    x = 98,858.72

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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.