Home / 394,275.20-591,461.98-154,358.10

Finding the Fourth Proportional to 394,275.20, 591,461.98 and 154,358.10

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Solution

The fourth proportional to 394,275.20, 591,461.98 and 154,358.10 is: 231,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,275.20 : 591,461.98 = 154,358.10 : x
  2. Step 2: Convert to fraction form
    394,275.20/591,461.98 = 154,358.10/x
  3. Step 3: Cross multiply
    394,275.20x = 591,461.98 × 154,358.10
  4. Step 4: Simplify right side
    394,275.20x = 91,296,947,455.04
  5. Step 5: Solve for x
    x = 91,296,947,455.04/394,275.20
  6. Step 6: Final answer
    x = 231,556.40

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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.