Home / 110,870.22-166,346.64-66,528.78

Finding the Fourth Proportional to 110,870.22, 166,346.64 and 66,528.78

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Solution

The fourth proportional to 110,870.22, 166,346.64 and 66,528.78 is: 99,817.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,870.22 : 166,346.64 = 66,528.78 : x
  2. Step 2: Convert to fraction form
    110,870.22/166,346.64 = 66,528.78/x
  3. Step 3: Cross multiply
    110,870.22x = 166,346.64 × 66,528.78
  4. Step 4: Simplify right side
    110,870.22x = 11,066,839,016.30
  5. Step 5: Solve for x
    x = 11,066,839,016.30/110,870.22
  6. Step 6: Final answer
    x = 99,817.96

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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.