Home / 110,976.28-166,506.38-66,633.88

Finding the Fourth Proportional to 110,976.28, 166,506.38 and 66,633.88

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Solution

The fourth proportional to 110,976.28, 166,506.38 and 66,633.88 is: 99,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,976.28 : 166,506.38 = 66,633.88 : x
  2. Step 2: Convert to fraction form
    110,976.28/166,506.38 = 66,633.88/x
  3. Step 3: Cross multiply
    110,976.28x = 166,506.38 × 66,633.88
  4. Step 4: Simplify right side
    110,976.28x = 11,094,966,144.15
  5. Step 5: Solve for x
    x = 11,094,966,144.15/110,976.28
  6. Step 6: Final answer
    x = 99,976.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.