Home / 269,857.31-403,086.92-198,145.58

Finding the Fourth Proportional to 269,857.31, 403,086.92 and 198,145.58

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Solution

The fourth proportional to 269,857.31, 403,086.92 and 198,145.58 is: 295,970.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,857.31 : 403,086.92 = 198,145.58 : x
  2. Step 2: Convert to fraction form
    269,857.31/403,086.92 = 198,145.58/x
  3. Step 3: Cross multiply
    269,857.31x = 403,086.92 × 198,145.58
  4. Step 4: Simplify right side
    269,857.31x = 79,869,888,547.65
  5. Step 5: Solve for x
    x = 79,869,888,547.65/269,857.31
  6. Step 6: Final answer
    x = 295,970.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.