Home / 325,887.12-449,253-228,795.66

Finding the Fourth Proportional to 325,887.12, 449,253 and 228,795.66

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Solution

The fourth proportional to 325,887.12, 449,253 and 228,795.66 is: 315,407.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,887.12 : 449,253 = 228,795.66 : x
  2. Step 2: Convert to fraction form
    325,887.12/449,253 = 228,795.66/x
  3. Step 3: Cross multiply
    325,887.12x = 449,253 × 228,795.66
  4. Step 4: Simplify right side
    325,887.12x = 102,787,136,641.98
  5. Step 5: Solve for x
    x = 102,787,136,641.98/325,887.12
  6. Step 6: Final answer
    x = 315,407.18

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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.