Home / 237,439.35-356,103.14-68,915.21

Finding the Fourth Proportional to 237,439.35, 356,103.14 and 68,915.21

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Solution

The fourth proportional to 237,439.35, 356,103.14 and 68,915.21 is: 103,356.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,439.35 : 356,103.14 = 68,915.21 : x
  2. Step 2: Convert to fraction form
    237,439.35/356,103.14 = 68,915.21/x
  3. Step 3: Cross multiply
    237,439.35x = 356,103.14 × 68,915.21
  4. Step 4: Simplify right side
    237,439.35x = 24,540,920,549.67
  5. Step 5: Solve for x
    x = 24,540,920,549.67/237,439.35
  6. Step 6: Final answer
    x = 103,356.59

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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.