Home / 140,076.77-193,305.54-76,414.11

Finding the Fourth Proportional to 140,076.77, 193,305.54 and 76,414.11

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Solution

The fourth proportional to 140,076.77, 193,305.54 and 76,414.11 is: 105,451.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,076.77 : 193,305.54 = 76,414.11 : x
  2. Step 2: Convert to fraction form
    140,076.77/193,305.54 = 76,414.11/x
  3. Step 3: Cross multiply
    140,076.77x = 193,305.54 × 76,414.11
  4. Step 4: Simplify right side
    140,076.77x = 14,771,270,797.17
  5. Step 5: Solve for x
    x = 14,771,270,797.17/140,076.77
  6. Step 6: Final answer
    x = 105,451.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.