Home / 326,061.70-449,969.75-196,982.23

Finding the Fourth Proportional to 326,061.70, 449,969.75 and 196,982.23

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Solution

The fourth proportional to 326,061.70, 449,969.75 and 196,982.23 is: 271,838.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,061.70 : 449,969.75 = 196,982.23 : x
  2. Step 2: Convert to fraction form
    326,061.70/449,969.75 = 196,982.23/x
  3. Step 3: Cross multiply
    326,061.70x = 449,969.75 × 196,982.23
  4. Step 4: Simplify right side
    326,061.70x = 88,636,044,260.08
  5. Step 5: Solve for x
    x = 88,636,044,260.08/326,061.70
  6. Step 6: Final answer
    x = 271,838.25

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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.