Home / 268,108.32-399,247.04-265,163.16

Finding the Fourth Proportional to 268,108.32, 399,247.04 and 265,163.16

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Solution

The fourth proportional to 268,108.32, 399,247.04 and 265,163.16 is: 394,861.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,108.32 : 399,247.04 = 265,163.16 : x
  2. Step 2: Convert to fraction form
    268,108.32/399,247.04 = 265,163.16/x
  3. Step 3: Cross multiply
    268,108.32x = 399,247.04 × 265,163.16
  4. Step 4: Simplify right side
    268,108.32x = 105,865,606,747.05
  5. Step 5: Solve for x
    x = 105,865,606,747.05/268,108.32
  6. Step 6: Final answer
    x = 394,861.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.