Home / 548,749.47-823,138.79-149,398.41

Finding the Fourth Proportional to 548,749.47, 823,138.79 and 149,398.41

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Solution

The fourth proportional to 548,749.47, 823,138.79 and 149,398.41 is: 224,101.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,749.47 : 823,138.79 = 149,398.41 : x
  2. Step 2: Convert to fraction form
    548,749.47/823,138.79 = 149,398.41/x
  3. Step 3: Cross multiply
    548,749.47x = 823,138.79 × 149,398.41
  4. Step 4: Simplify right side
    548,749.47x = 122,975,626,435.32
  5. Step 5: Solve for x
    x = 122,975,626,435.32/548,749.47
  6. Step 6: Final answer
    x = 224,101.59

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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.