Home / 129,862.77-194,913.90-65,865.83

Finding the Fourth Proportional to 129,862.77, 194,913.90 and 65,865.83

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Solution

The fourth proportional to 129,862.77, 194,913.90 and 65,865.83 is: 98,859.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,862.77 : 194,913.90 = 65,865.83 : x
  2. Step 2: Convert to fraction form
    129,862.77/194,913.90 = 65,865.83/x
  3. Step 3: Cross multiply
    129,862.77x = 194,913.90 × 65,865.83
  4. Step 4: Simplify right side
    129,862.77x = 12,838,165,802.04
  5. Step 5: Solve for x
    x = 12,838,165,802.04/129,862.77
  6. Step 6: Final answer
    x = 98,859.48

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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.