Home / 131,018.80-196,358.10-60,748.60

Finding the Fourth Proportional to 131,018.80, 196,358.10 and 60,748.60

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Solution

The fourth proportional to 131,018.80, 196,358.10 and 60,748.60 is: 91,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,018.80 : 196,358.10 = 60,748.60 : x
  2. Step 2: Convert to fraction form
    131,018.80/196,358.10 = 60,748.60/x
  3. Step 3: Cross multiply
    131,018.80x = 196,358.10 × 60,748.60
  4. Step 4: Simplify right side
    131,018.80x = 11,928,479,673.66
  5. Step 5: Solve for x
    x = 11,928,479,673.66/131,018.80
  6. Step 6: Final answer
    x = 91,044.03

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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.