Home / 225,743.11-311,565.17-171,475.00

Finding the Fourth Proportional to 225,743.11, 311,565.17 and 171,475.00

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Solution

The fourth proportional to 225,743.11, 311,565.17 and 171,475.00 is: 236,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,743.11 : 311,565.17 = 171,475.00 : x
  2. Step 2: Convert to fraction form
    225,743.11/311,565.17 = 171,475.00/x
  3. Step 3: Cross multiply
    225,743.11x = 311,565.17 × 171,475.00
  4. Step 4: Simplify right side
    225,743.11x = 53,425,635,110.55
  5. Step 5: Solve for x
    x = 53,425,635,110.55/225,743.11
  6. Step 6: Final answer
    x = 236,665.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.