Home / 131,144.20-196,424.70-101,465.80

Finding the Fourth Proportional to 131,144.20, 196,424.70 and 101,465.80

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Solution

The fourth proportional to 131,144.20, 196,424.70 and 101,465.80 is: 151,973.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,144.20 : 196,424.70 = 101,465.80 : x
  2. Step 2: Convert to fraction form
    131,144.20/196,424.70 = 101,465.80/x
  3. Step 3: Cross multiply
    131,144.20x = 196,424.70 × 101,465.80
  4. Step 4: Simplify right side
    131,144.20x = 19,930,389,325.26
  5. Step 5: Solve for x
    x = 19,930,389,325.26/131,144.20
  6. Step 6: Final answer
    x = 151,973.09

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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.