Home / 443,150.70-664,272.45-218,165.10

Finding the Fourth Proportional to 443,150.70, 664,272.45 and 218,165.10

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Solution

The fourth proportional to 443,150.70, 664,272.45 and 218,165.10 is: 327,024.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,150.70 : 664,272.45 = 218,165.10 : x
  2. Step 2: Convert to fraction form
    443,150.70/664,272.45 = 218,165.10/x
  3. Step 3: Cross multiply
    443,150.70x = 664,272.45 × 218,165.10
  4. Step 4: Simplify right side
    443,150.70x = 144,921,065,481.50
  5. Step 5: Solve for x
    x = 144,921,065,481.50/443,150.70
  6. Step 6: Final answer
    x = 327,024.34

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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.