Home / 227,204.13-313,540.30-123,838.22

Finding the Fourth Proportional to 227,204.13, 313,540.30 and 123,838.22

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Solution

The fourth proportional to 227,204.13, 313,540.30 and 123,838.22 is: 170,895.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,204.13 : 313,540.30 = 123,838.22 : x
  2. Step 2: Convert to fraction form
    227,204.13/313,540.30 = 123,838.22/x
  3. Step 3: Cross multiply
    227,204.13x = 313,540.30 × 123,838.22
  4. Step 4: Simplify right side
    227,204.13x = 38,828,272,650.27
  5. Step 5: Solve for x
    x = 38,828,272,650.27/227,204.13
  6. Step 6: Final answer
    x = 170,895.98

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1.5x scale

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.