Home / 256,246.20-383,462.10-223,327.80

Finding the Fourth Proportional to 256,246.20, 383,462.10 and 223,327.80

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Solution

The fourth proportional to 256,246.20, 383,462.10 and 223,327.80 is: 334,201.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,246.20 : 383,462.10 = 223,327.80 : x
  2. Step 2: Convert to fraction form
    256,246.20/383,462.10 = 223,327.80/x
  3. Step 3: Cross multiply
    256,246.20x = 383,462.10 × 223,327.80
  4. Step 4: Simplify right side
    256,246.20x = 85,637,747,176.38
  5. Step 5: Solve for x
    x = 85,637,747,176.38/256,246.20
  6. Step 6: Final answer
    x = 334,201.04

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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.