Home / 338,964.45-467,769.66-186,005.21

Finding the Fourth Proportional to 338,964.45, 467,769.66 and 186,005.21

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Solution

The fourth proportional to 338,964.45, 467,769.66 and 186,005.21 is: 256,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,964.45 : 467,769.66 = 186,005.21 : x
  2. Step 2: Convert to fraction form
    338,964.45/467,769.66 = 186,005.21/x
  3. Step 3: Cross multiply
    338,964.45x = 467,769.66 × 186,005.21
  4. Step 4: Simplify right side
    338,964.45x = 87,007,591,501.08
  5. Step 5: Solve for x
    x = 87,007,591,501.08/338,964.45
  6. Step 6: Final answer
    x = 256,686.48

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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.