Home / 110,923.90-166,288.65-66,568.30

Finding the Fourth Proportional to 110,923.90, 166,288.65 and 66,568.30

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Solution

The fourth proportional to 110,923.90, 166,288.65 and 66,568.30 is: 99,794.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,923.90 : 166,288.65 = 66,568.30 : x
  2. Step 2: Convert to fraction form
    110,923.90/166,288.65 = 66,568.30/x
  3. Step 3: Cross multiply
    110,923.90x = 166,288.65 × 66,568.30
  4. Step 4: Simplify right side
    110,923.90x = 11,069,552,739.80
  5. Step 5: Solve for x
    x = 11,069,552,739.80/110,923.90
  6. Step 6: Final answer
    x = 99,794.12

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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.