Home / 262,452.20-393,590.62-84,911.72

Finding the Fourth Proportional to 262,452.20, 393,590.62 and 84,911.72

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Solution

The fourth proportional to 262,452.20, 393,590.62 and 84,911.72 is: 127,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,452.20 : 393,590.62 = 84,911.72 : x
  2. Step 2: Convert to fraction form
    262,452.20/393,590.62 = 84,911.72/x
  3. Step 3: Cross multiply
    262,452.20x = 393,590.62 × 84,911.72
  4. Step 4: Simplify right side
    262,452.20x = 33,420,456,520.07
  5. Step 5: Solve for x
    x = 33,420,456,520.07/262,452.20
  6. Step 6: Final answer
    x = 127,339.21

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1.5x scale

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.