Home / 342,014.05-472,026.27-196,816.85

Finding the Fourth Proportional to 342,014.05, 472,026.27 and 196,816.85

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Solution

The fourth proportional to 342,014.05, 472,026.27 and 196,816.85 is: 271,634.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,014.05 : 472,026.27 = 196,816.85 : x
  2. Step 2: Convert to fraction form
    342,014.05/472,026.27 = 196,816.85/x
  3. Step 3: Cross multiply
    342,014.05x = 472,026.27 × 196,816.85
  4. Step 4: Simplify right side
    342,014.05x = 92,902,723,578.65
  5. Step 5: Solve for x
    x = 92,902,723,578.65/342,014.05
  6. Step 6: Final answer
    x = 271,634.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.