Home / 140,286.10-193,593.54-76,623.88

Finding the Fourth Proportional to 140,286.10, 193,593.54 and 76,623.88

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Solution

The fourth proportional to 140,286.10, 193,593.54 and 76,623.88 is: 105,740.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,286.10 : 193,593.54 = 76,623.88 : x
  2. Step 2: Convert to fraction form
    140,286.10/193,593.54 = 76,623.88/x
  3. Step 3: Cross multiply
    140,286.10x = 193,593.54 × 76,623.88
  4. Step 4: Simplify right side
    140,286.10x = 14,833,888,177.74
  5. Step 5: Solve for x
    x = 14,833,888,177.74/140,286.10
  6. Step 6: Final answer
    x = 105,740.26

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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.