Home / 382,126.20-573,194.75-145,481.87

Finding the Fourth Proportional to 382,126.20, 573,194.75 and 145,481.87

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Solution

The fourth proportional to 382,126.20, 573,194.75 and 145,481.87 is: 218,224.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,126.20 : 573,194.75 = 145,481.87 : x
  2. Step 2: Convert to fraction form
    382,126.20/573,194.75 = 145,481.87/x
  3. Step 3: Cross multiply
    382,126.20x = 573,194.75 × 145,481.87
  4. Step 4: Simplify right side
    382,126.20x = 83,389,440,510.80
  5. Step 5: Solve for x
    x = 83,389,440,510.80/382,126.20
  6. Step 6: Final answer
    x = 218,224.87

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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.