Home / 338,743.11-467,465.49-187,840.11

Finding the Fourth Proportional to 338,743.11, 467,465.49 and 187,840.11

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Solution

The fourth proportional to 338,743.11, 467,465.49 and 187,840.11 is: 259,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,743.11 : 467,465.49 = 187,840.11 : x
  2. Step 2: Convert to fraction form
    338,743.11/467,465.49 = 187,840.11/x
  3. Step 3: Cross multiply
    338,743.11x = 467,465.49 × 187,840.11
  4. Step 4: Simplify right side
    338,743.11x = 87,808,769,062.80
  5. Step 5: Solve for x
    x = 87,808,769,062.80/338,743.11
  6. Step 6: Final answer
    x = 259,219.35

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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.