Home / 323,861.15-447,109.07-227,361.13

Finding the Fourth Proportional to 323,861.15, 447,109.07 and 227,361.13

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Solution

The fourth proportional to 323,861.15, 447,109.07 and 227,361.13 is: 313,885.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,861.15 : 447,109.07 = 227,361.13 : x
  2. Step 2: Convert to fraction form
    323,861.15/447,109.07 = 227,361.13/x
  3. Step 3: Cross multiply
    323,861.15x = 447,109.07 × 227,361.13
  4. Step 4: Simplify right side
    323,861.15x = 101,655,221,133.87
  5. Step 5: Solve for x
    x = 101,655,221,133.87/323,861.15
  6. Step 6: Final answer
    x = 313,885.20

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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.