Home / 340,450.68-469,778.94-197,209.56

Finding the Fourth Proportional to 340,450.68, 469,778.94 and 197,209.56

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Solution

The fourth proportional to 340,450.68, 469,778.94 and 197,209.56 is: 272,124.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,450.68 : 469,778.94 = 197,209.56 : x
  2. Step 2: Convert to fraction form
    340,450.68/469,778.94 = 197,209.56/x
  3. Step 3: Cross multiply
    340,450.68x = 469,778.94 × 197,209.56
  4. Step 4: Simplify right side
    340,450.68x = 92,644,898,054.67
  5. Step 5: Solve for x
    x = 92,644,898,054.67/340,450.68
  6. Step 6: Final answer
    x = 272,124.29

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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.