Home / 348,131.34-521,839.62-198,052.11

Finding the Fourth Proportional to 348,131.34, 521,839.62 and 198,052.11

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Solution

The fourth proportional to 348,131.34, 521,839.62 and 198,052.11 is: 296,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,131.34 : 521,839.62 = 198,052.11 : x
  2. Step 2: Convert to fraction form
    348,131.34/521,839.62 = 198,052.11/x
  3. Step 3: Cross multiply
    348,131.34x = 521,839.62 × 198,052.11
  4. Step 4: Simplify right side
    348,131.34x = 103,351,437,822.60
  5. Step 5: Solve for x
    x = 103,351,437,822.60/348,131.34
  6. Step 6: Final answer
    x = 296,874.85

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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.