Home / 131,082.03-195,666.09-112,481.60

Finding the Fourth Proportional to 131,082.03, 195,666.09 and 112,481.60

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Solution

The fourth proportional to 131,082.03, 195,666.09 and 112,481.60 is: 167,901.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,082.03 : 195,666.09 = 112,481.60 : x
  2. Step 2: Convert to fraction form
    131,082.03/195,666.09 = 112,481.60/x
  3. Step 3: Cross multiply
    131,082.03x = 195,666.09 × 112,481.60
  4. Step 4: Simplify right side
    131,082.03x = 22,008,833,890.61
  5. Step 5: Solve for x
    x = 22,008,833,890.61/131,082.03
  6. Step 6: Final answer
    x = 167,901.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.