Home / 263,384.74-394,301.55-163,223.02

Finding the Fourth Proportional to 263,384.74, 394,301.55 and 163,223.02

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Solution

The fourth proportional to 263,384.74, 394,301.55 and 163,223.02 is: 244,353.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,384.74 : 394,301.55 = 163,223.02 : x
  2. Step 2: Convert to fraction form
    263,384.74/394,301.55 = 163,223.02/x
  3. Step 3: Cross multiply
    263,384.74x = 394,301.55 × 163,223.02
  4. Step 4: Simplify right side
    263,384.74x = 64,359,089,781.68
  5. Step 5: Solve for x
    x = 64,359,089,781.68/263,384.74
  6. Step 6: Final answer
    x = 244,353.91

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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.