Home / 234,176.76-323,171.75-143,515.21

Finding the Fourth Proportional to 234,176.76, 323,171.75 and 143,515.21

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Solution

The fourth proportional to 234,176.76, 323,171.75 and 143,515.21 is: 198,055.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,176.76 : 323,171.75 = 143,515.21 : x
  2. Step 2: Convert to fraction form
    234,176.76/323,171.75 = 143,515.21/x
  3. Step 3: Cross multiply
    234,176.76x = 323,171.75 × 143,515.21
  4. Step 4: Simplify right side
    234,176.76x = 46,380,061,724.12
  5. Step 5: Solve for x
    x = 46,380,061,724.12/234,176.76
  6. Step 6: Final answer
    x = 198,055.78

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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.