Home / 352,400.41-486,316.20-191,256.85

Finding the Fourth Proportional to 352,400.41, 486,316.20 and 191,256.85

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Solution

The fourth proportional to 352,400.41, 486,316.20 and 191,256.85 is: 263,936.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,400.41 : 486,316.20 = 191,256.85 : x
  2. Step 2: Convert to fraction form
    352,400.41/486,316.20 = 191,256.85/x
  3. Step 3: Cross multiply
    352,400.41x = 486,316.20 × 191,256.85
  4. Step 4: Simplify right side
    352,400.41x = 93,011,304,515.97
  5. Step 5: Solve for x
    x = 93,011,304,515.97/352,400.41
  6. Step 6: Final answer
    x = 263,936.43

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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.