Home / 122,816.20-183,965.10-96,377.80

Finding the Fourth Proportional to 122,816.20, 183,965.10 and 96,377.80

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Solution

The fourth proportional to 122,816.20, 183,965.10 and 96,377.80 is: 144,363.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,816.20 : 183,965.10 = 96,377.80 : x
  2. Step 2: Convert to fraction form
    122,816.20/183,965.10 = 96,377.80/x
  3. Step 3: Cross multiply
    122,816.20x = 183,965.10 × 96,377.80
  4. Step 4: Simplify right side
    122,816.20x = 17,730,151,614.78
  5. Step 5: Solve for x
    x = 17,730,151,614.78/122,816.20
  6. Step 6: Final answer
    x = 144,363.30

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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.