Home / 227,143.08-338,964.66-199,499.40

Finding the Fourth Proportional to 227,143.08, 338,964.66 and 199,499.40

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Solution

The fourth proportional to 227,143.08, 338,964.66 and 199,499.40 is: 297,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,143.08 : 338,964.66 = 199,499.40 : x
  2. Step 2: Convert to fraction form
    227,143.08/338,964.66 = 199,499.40/x
  3. Step 3: Cross multiply
    227,143.08x = 338,964.66 × 199,499.40
  4. Step 4: Simplify right side
    227,143.08x = 67,623,246,291.20
  5. Step 5: Solve for x
    x = 67,623,246,291.20/227,143.08
  6. Step 6: Final answer
    x = 297,712.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.