Home / 131,191.11-196,932.35-67,994.31

Finding the Fourth Proportional to 131,191.11, 196,932.35 and 67,994.31

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Solution

The fourth proportional to 131,191.11, 196,932.35 and 67,994.31 is: 102,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,191.11 : 196,932.35 = 67,994.31 : x
  2. Step 2: Convert to fraction form
    131,191.11/196,932.35 = 67,994.31/x
  3. Step 3: Cross multiply
    131,191.11x = 196,932.35 × 67,994.31
  4. Step 4: Simplify right side
    131,191.11x = 13,390,279,254.93
  5. Step 5: Solve for x
    x = 13,390,279,254.93/131,191.11
  6. Step 6: Final answer
    x = 102,066.97

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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.