Home / 356,190.66-533,820.78-271,641.24

Finding the Fourth Proportional to 356,190.66, 533,820.78 and 271,641.24

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Solution

The fourth proportional to 356,190.66, 533,820.78 and 271,641.24 is: 407,107.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,190.66 : 533,820.78 = 271,641.24 : x
  2. Step 2: Convert to fraction form
    356,190.66/533,820.78 = 271,641.24/x
  3. Step 3: Cross multiply
    356,190.66x = 533,820.78 × 271,641.24
  4. Step 4: Simplify right side
    356,190.66x = 145,007,738,616.97
  5. Step 5: Solve for x
    x = 145,007,738,616.97/356,190.66
  6. Step 6: Final answer
    x = 407,107.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.