Home / 338,864.56-467,689.20-188,010.16

Finding the Fourth Proportional to 338,864.56, 467,689.20 and 188,010.16

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Solution

The fourth proportional to 338,864.56, 467,689.20 and 188,010.16 is: 259,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,864.56 : 467,689.20 = 188,010.16 : x
  2. Step 2: Convert to fraction form
    338,864.56/467,689.20 = 188,010.16/x
  3. Step 3: Cross multiply
    338,864.56x = 467,689.20 × 188,010.16
  4. Step 4: Simplify right side
    338,864.56x = 87,930,321,322.27
  5. Step 5: Solve for x
    x = 87,930,321,322.27/338,864.56
  6. Step 6: Final answer
    x = 259,485.15

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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.