Home / 256,906.02-384,860.34-189,315.38

Finding the Fourth Proportional to 256,906.02, 384,860.34 and 189,315.38

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Solution

The fourth proportional to 256,906.02, 384,860.34 and 189,315.38 is: 283,605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,906.02 : 384,860.34 = 189,315.38 : x
  2. Step 2: Convert to fraction form
    256,906.02/384,860.34 = 189,315.38/x
  3. Step 3: Cross multiply
    256,906.02x = 384,860.34 × 189,315.38
  4. Step 4: Simplify right side
    256,906.02x = 72,859,979,589.73
  5. Step 5: Solve for x
    x = 72,859,979,589.73/256,906.02
  6. Step 6: Final answer
    x = 283,605.58

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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.