Home / 226,409.66-312,447.01-124,436.85

Finding the Fourth Proportional to 226,409.66, 312,447.01 and 124,436.85

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Solution

The fourth proportional to 226,409.66, 312,447.01 and 124,436.85 is: 171,723.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,409.66 : 312,447.01 = 124,436.85 : x
  2. Step 2: Convert to fraction form
    226,409.66/312,447.01 = 124,436.85/x
  3. Step 3: Cross multiply
    226,409.66x = 312,447.01 × 124,436.85
  4. Step 4: Simplify right side
    226,409.66x = 38,879,921,716.32
  5. Step 5: Solve for x
    x = 38,879,921,716.32/226,409.66
  6. Step 6: Final answer
    x = 171,723.78

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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.