Home / 479,961.30-719,747.55-164,255.70

Finding the Fourth Proportional to 479,961.30, 719,747.55 and 164,255.70

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Solution

The fourth proportional to 479,961.30, 719,747.55 and 164,255.70 is: 246,317.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,961.30 : 719,747.55 = 164,255.70 : x
  2. Step 2: Convert to fraction form
    479,961.30/719,747.55 = 164,255.70/x
  3. Step 3: Cross multiply
    479,961.30x = 719,747.55 × 164,255.70
  4. Step 4: Simplify right side
    479,961.30x = 118,222,637,648.54
  5. Step 5: Solve for x
    x = 118,222,637,648.54/479,961.30
  6. Step 6: Final answer
    x = 246,317.02

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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.