Home / 481,263.20-721,894.80-148,839.20

Finding the Fourth Proportional to 481,263.20, 721,894.80 and 148,839.20

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Solution

The fourth proportional to 481,263.20, 721,894.80 and 148,839.20 is: 223,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,263.20 : 721,894.80 = 148,839.20 : x
  2. Step 2: Convert to fraction form
    481,263.20/721,894.80 = 148,839.20/x
  3. Step 3: Cross multiply
    481,263.20x = 721,894.80 × 148,839.20
  4. Step 4: Simplify right side
    481,263.20x = 107,446,244,516.16
  5. Step 5: Solve for x
    x = 107,446,244,516.16/481,263.20
  6. Step 6: Final answer
    x = 223,258.80

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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.