Home / 131,049.04-196,316.66-67,910.58

Finding the Fourth Proportional to 131,049.04, 196,316.66 and 67,910.58

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Solution

The fourth proportional to 131,049.04, 196,316.66 and 67,910.58 is: 101,732.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,049.04 : 196,316.66 = 67,910.58 : x
  2. Step 2: Convert to fraction form
    131,049.04/196,316.66 = 67,910.58/x
  3. Step 3: Cross multiply
    131,049.04x = 196,316.66 × 67,910.58
  4. Step 4: Simplify right side
    131,049.04x = 13,331,977,593.31
  5. Step 5: Solve for x
    x = 13,331,977,593.31/131,049.04
  6. Step 6: Final answer
    x = 101,732.74

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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.