Home / 338,825.12-467,566.80-187,936.16

Finding the Fourth Proportional to 338,825.12, 467,566.80 and 187,936.16

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Solution

The fourth proportional to 338,825.12, 467,566.80 and 187,936.16 is: 259,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,825.12 : 467,566.80 = 187,936.16 : x
  2. Step 2: Convert to fraction form
    338,825.12/467,566.80 = 187,936.16/x
  3. Step 3: Cross multiply
    338,825.12x = 467,566.80 × 187,936.16
  4. Step 4: Simplify right side
    338,825.12x = 87,872,708,935.49
  5. Step 5: Solve for x
    x = 87,872,708,935.49/338,825.12
  6. Step 6: Final answer
    x = 259,345.32

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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.