Home / 114,906.42-158,565.69-66,500.70

Finding the Fourth Proportional to 114,906.42, 158,565.69 and 66,500.70

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Solution

The fourth proportional to 114,906.42, 158,565.69 and 66,500.70 is: 91,767.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,906.42 : 158,565.69 = 66,500.70 : x
  2. Step 2: Convert to fraction form
    114,906.42/158,565.69 = 66,500.70/x
  3. Step 3: Cross multiply
    114,906.42x = 158,565.69 × 66,500.70
  4. Step 4: Simplify right side
    114,906.42x = 10,544,729,380.98
  5. Step 5: Solve for x
    x = 10,544,729,380.98/114,906.42
  6. Step 6: Final answer
    x = 91,767.97

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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.