Home / 338,939.20-467,777.58-195,699

Finding the Fourth Proportional to 338,939.20, 467,777.58 and 195,699

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Solution

The fourth proportional to 338,939.20, 467,777.58 and 195,699 is: 270,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,939.20 : 467,777.58 = 195,699 : x
  2. Step 2: Convert to fraction form
    338,939.20/467,777.58 = 195,699/x
  3. Step 3: Cross multiply
    338,939.20x = 467,777.58 × 195,699
  4. Step 4: Simplify right side
    338,939.20x = 91,543,603,649.93
  5. Step 5: Solve for x
    x = 91,543,603,649.93/338,939.20
  6. Step 6: Final answer
    x = 270,088.57

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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.