Home / 262,332.20-393,498.30-209,844.20

Finding the Fourth Proportional to 262,332.20, 393,498.30 and 209,844.20

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Solution

The fourth proportional to 262,332.20, 393,498.30 and 209,844.20 is: 314,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,332.20 : 393,498.30 = 209,844.20 : x
  2. Step 2: Convert to fraction form
    262,332.20/393,498.30 = 209,844.20/x
  3. Step 3: Cross multiply
    262,332.20x = 393,498.30 × 209,844.20
  4. Step 4: Simplify right side
    262,332.20x = 82,573,335,964.86
  5. Step 5: Solve for x
    x = 82,573,335,964.86/262,332.20
  6. Step 6: Final answer
    x = 314,766.30

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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.