Home / 443,922.11-665,889.32-144,404.26

Finding the Fourth Proportional to 443,922.11, 665,889.32 and 144,404.26

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Solution

The fourth proportional to 443,922.11, 665,889.32 and 144,404.26 is: 216,608.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,922.11 : 665,889.32 = 144,404.26 : x
  2. Step 2: Convert to fraction form
    443,922.11/665,889.32 = 144,404.26/x
  3. Step 3: Cross multiply
    443,922.11x = 665,889.32 × 144,404.26
  4. Step 4: Simplify right side
    443,922.11x = 96,157,252,109.76
  5. Step 5: Solve for x
    x = 96,157,252,109.76/443,922.11
  6. Step 6: Final answer
    x = 216,608.39

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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.