Home / 196,217.40-294,245.46-77,872.44

Finding the Fourth Proportional to 196,217.40, 294,245.46 and 77,872.44

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Solution

The fourth proportional to 196,217.40, 294,245.46 and 77,872.44 is: 116,776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,217.40 : 294,245.46 = 77,872.44 : x
  2. Step 2: Convert to fraction form
    196,217.40/294,245.46 = 77,872.44/x
  3. Step 3: Cross multiply
    196,217.40x = 294,245.46 × 77,872.44
  4. Step 4: Simplify right side
    196,217.40x = 22,913,611,929.12
  5. Step 5: Solve for x
    x = 22,913,611,929.12/196,217.40
  6. Step 6: Final answer
    x = 116,776.66

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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.