Home / 269,554.19-403,489.90-198,556.88

Finding the Fourth Proportional to 269,554.19, 403,489.90 and 198,556.88

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Solution

The fourth proportional to 269,554.19, 403,489.90 and 198,556.88 is: 297,215.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,554.19 : 403,489.90 = 198,556.88 : x
  2. Step 2: Convert to fraction form
    269,554.19/403,489.90 = 198,556.88/x
  3. Step 3: Cross multiply
    269,554.19x = 403,489.90 × 198,556.88
  4. Step 4: Simplify right side
    269,554.19x = 80,115,695,655.51
  5. Step 5: Solve for x
    x = 80,115,695,655.51/269,554.19
  6. Step 6: Final answer
    x = 297,215.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.