Home / 114,601.32-158,131.35-66,195.56

Finding the Fourth Proportional to 114,601.32, 158,131.35 and 66,195.56

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Solution

The fourth proportional to 114,601.32, 158,131.35 and 66,195.56 is: 91,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,601.32 : 158,131.35 = 66,195.56 : x
  2. Step 2: Convert to fraction form
    114,601.32/158,131.35 = 66,195.56/x
  3. Step 3: Cross multiply
    114,601.32x = 158,131.35 × 66,195.56
  4. Step 4: Simplify right side
    114,601.32x = 10,467,593,662.13
  5. Step 5: Solve for x
    x = 10,467,593,662.13/114,601.32
  6. Step 6: Final answer
    x = 91,339.21

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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.