Home / 349,561.28-482,435.60-198,680.96

Finding the Fourth Proportional to 349,561.28, 482,435.60 and 198,680.96

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Solution

The fourth proportional to 349,561.28, 482,435.60 and 198,680.96 is: 274,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,561.28 : 482,435.60 = 198,680.96 : x
  2. Step 2: Convert to fraction form
    349,561.28/482,435.60 = 198,680.96/x
  3. Step 3: Cross multiply
    349,561.28x = 482,435.60 × 198,680.96
  4. Step 4: Simplify right side
    349,561.28x = 95,850,768,146.18
  5. Step 5: Solve for x
    x = 95,850,768,146.18/349,561.28
  6. Step 6: Final answer
    x = 274,203.05

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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.