Home / 110,964.31-166,532.78-77,466.85

Finding the Fourth Proportional to 110,964.31, 166,532.78 and 77,466.85

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Solution

The fourth proportional to 110,964.31, 166,532.78 and 77,466.85 is: 116,260.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,964.31 : 166,532.78 = 77,466.85 : x
  2. Step 2: Convert to fraction form
    110,964.31/166,532.78 = 77,466.85/x
  3. Step 3: Cross multiply
    110,964.31x = 166,532.78 × 77,466.85
  4. Step 4: Simplify right side
    110,964.31x = 12,900,769,501.01
  5. Step 5: Solve for x
    x = 12,900,769,501.01/110,964.31
  6. Step 6: Final answer
    x = 116,260.53

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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.