Home / 256,266.96-353,649.03-143,093.76

Finding the Fourth Proportional to 256,266.96, 353,649.03 and 143,093.76

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Solution

The fourth proportional to 256,266.96, 353,649.03 and 143,093.76 is: 197,469.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,266.96 : 353,649.03 = 143,093.76 : x
  2. Step 2: Convert to fraction form
    256,266.96/353,649.03 = 143,093.76/x
  3. Step 3: Cross multiply
    256,266.96x = 353,649.03 × 143,093.76
  4. Step 4: Simplify right side
    256,266.96x = 50,604,969,423.05
  5. Step 5: Solve for x
    x = 50,604,969,423.05/256,266.96
  6. Step 6: Final answer
    x = 197,469.74

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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.