Home / 147,571.22-221,279.97-52,764.86

Finding the Fourth Proportional to 147,571.22, 221,279.97 and 52,764.86

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Solution

The fourth proportional to 147,571.22, 221,279.97 and 52,764.86 is: 79,119.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,571.22 : 221,279.97 = 52,764.86 : x
  2. Step 2: Convert to fraction form
    147,571.22/221,279.97 = 52,764.86/x
  3. Step 3: Cross multiply
    147,571.22x = 221,279.97 × 52,764.86
  4. Step 4: Simplify right side
    147,571.22x = 11,675,806,637.85
  5. Step 5: Solve for x
    x = 11,675,806,637.85/147,571.22
  6. Step 6: Final answer
    x = 79,119.81

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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.