Home / 131,044.11-196,564.59-92,416.56

Finding the Fourth Proportional to 131,044.11, 196,564.59 and 92,416.56

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Solution

The fourth proportional to 131,044.11, 196,564.59 and 92,416.56 is: 138,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,044.11 : 196,564.59 = 92,416.56 : x
  2. Step 2: Convert to fraction form
    131,044.11/196,564.59 = 92,416.56/x
  3. Step 3: Cross multiply
    131,044.11x = 196,564.59 × 92,416.56
  4. Step 4: Simplify right side
    131,044.11x = 18,165,823,225.61
  5. Step 5: Solve for x
    x = 18,165,823,225.61/131,044.11
  6. Step 6: Final answer
    x = 138,623.73

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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.