Home / 462,556.20-693,834.30-130,132.20

Finding the Fourth Proportional to 462,556.20, 693,834.30 and 130,132.20

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Solution

The fourth proportional to 462,556.20, 693,834.30 and 130,132.20 is: 195,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,556.20 : 693,834.30 = 130,132.20 : x
  2. Step 2: Convert to fraction form
    462,556.20/693,834.30 = 130,132.20/x
  3. Step 3: Cross multiply
    462,556.20x = 693,834.30 × 130,132.20
  4. Step 4: Simplify right side
    462,556.20x = 90,290,183,894.46
  5. Step 5: Solve for x
    x = 90,290,183,894.46/462,556.20
  6. Step 6: Final answer
    x = 195,198.30

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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.