Home / 356,635.78-534,576.54-131,851.84

Finding the Fourth Proportional to 356,635.78, 534,576.54 and 131,851.84

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Solution

The fourth proportional to 356,635.78, 534,576.54 and 131,851.84 is: 197,638.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,635.78 : 534,576.54 = 131,851.84 : x
  2. Step 2: Convert to fraction form
    356,635.78/534,576.54 = 131,851.84/x
  3. Step 3: Cross multiply
    356,635.78x = 534,576.54 × 131,851.84
  4. Step 4: Simplify right side
    356,635.78x = 70,484,900,419.83
  5. Step 5: Solve for x
    x = 70,484,900,419.83/356,635.78
  6. Step 6: Final answer
    x = 197,638.33

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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.