Home / 342,013.05-472,024.89-196,815.85

Finding the Fourth Proportional to 342,013.05, 472,024.89 and 196,815.85

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Solution

The fourth proportional to 342,013.05, 472,024.89 and 196,815.85 is: 271,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,013.05 : 472,024.89 = 196,815.85 : x
  2. Step 2: Convert to fraction form
    342,013.05/472,024.89 = 196,815.85/x
  3. Step 3: Cross multiply
    342,013.05x = 472,024.89 × 196,815.85
  4. Step 4: Simplify right side
    342,013.05x = 92,901,976,602.30
  5. Step 5: Solve for x
    x = 92,901,976,602.30/342,013.05
  6. Step 6: Final answer
    x = 271,632.85

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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.