Home / 319,701.66-441,347.96-198,882.22

Finding the Fourth Proportional to 319,701.66, 441,347.96 and 198,882.22

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Solution

The fourth proportional to 319,701.66, 441,347.96 and 198,882.22 is: 274,556.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,701.66 : 441,347.96 = 198,882.22 : x
  2. Step 2: Convert to fraction form
    319,701.66/441,347.96 = 198,882.22/x
  3. Step 3: Cross multiply
    319,701.66x = 441,347.96 × 198,882.22
  4. Step 4: Simplify right side
    319,701.66x = 87,776,262,077.27
  5. Step 5: Solve for x
    x = 87,776,262,077.27/319,701.66
  6. Step 6: Final answer
    x = 274,556.79

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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.