Home / 121,824.15-182,902.02-68,553.77

Finding the Fourth Proportional to 121,824.15, 182,902.02 and 68,553.77

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Solution

The fourth proportional to 121,824.15, 182,902.02 and 68,553.77 is: 102,923.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,824.15 : 182,902.02 = 68,553.77 : x
  2. Step 2: Convert to fraction form
    121,824.15/182,902.02 = 68,553.77/x
  3. Step 3: Cross multiply
    121,824.15x = 182,902.02 × 68,553.77
  4. Step 4: Simplify right side
    121,824.15x = 12,538,623,011.62
  5. Step 5: Solve for x
    x = 12,538,623,011.62/121,824.15
  6. Step 6: Final answer
    x = 102,923.95

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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.