Home / 326,106.24-450,017.22-198,735.36

Finding the Fourth Proportional to 326,106.24, 450,017.22 and 198,735.36

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Solution

The fourth proportional to 326,106.24, 450,017.22 and 198,735.36 is: 274,249.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,106.24 : 450,017.22 = 198,735.36 : x
  2. Step 2: Convert to fraction form
    326,106.24/450,017.22 = 198,735.36/x
  3. Step 3: Cross multiply
    326,106.24x = 450,017.22 × 198,735.36
  4. Step 4: Simplify right side
    326,106.24x = 89,434,334,222.90
  5. Step 5: Solve for x
    x = 89,434,334,222.90/326,106.24
  6. Step 6: Final answer
    x = 274,249.07

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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.