Home / 351,680.54-527,521.41-85,441.23

Finding the Fourth Proportional to 351,680.54, 527,521.41 and 85,441.23

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Solution

The fourth proportional to 351,680.54, 527,521.41 and 85,441.23 is: 128,161.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,680.54 : 527,521.41 = 85,441.23 : x
  2. Step 2: Convert to fraction form
    351,680.54/527,521.41 = 85,441.23/x
  3. Step 3: Cross multiply
    351,680.54x = 527,521.41 × 85,441.23
  4. Step 4: Simplify right side
    351,680.54x = 45,072,078,121.73
  5. Step 5: Solve for x
    x = 45,072,078,121.73/351,680.54
  6. Step 6: Final answer
    x = 128,161.99

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1.5x scale

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.