Home / 519,110.90-778,520.55-164,233.70

Finding the Fourth Proportional to 519,110.90, 778,520.55 and 164,233.70

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Solution

The fourth proportional to 519,110.90, 778,520.55 and 164,233.70 is: 246,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,110.90 : 778,520.55 = 164,233.70 : x
  2. Step 2: Convert to fraction form
    519,110.90/778,520.55 = 164,233.70/x
  3. Step 3: Cross multiply
    519,110.90x = 778,520.55 × 164,233.70
  4. Step 4: Simplify right side
    519,110.90x = 127,859,310,452.54
  5. Step 5: Solve for x
    x = 127,859,310,452.54/519,110.90
  6. Step 6: Final answer
    x = 246,304.42

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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.