Home / 179,022.22-268,533.32-85,243.66

Finding the Fourth Proportional to 179,022.22, 268,533.32 and 85,243.66

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Solution

The fourth proportional to 179,022.22, 268,533.32 and 85,243.66 is: 127,865.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,022.22 : 268,533.32 = 85,243.66 : x
  2. Step 2: Convert to fraction form
    179,022.22/268,533.32 = 85,243.66/x
  3. Step 3: Cross multiply
    179,022.22x = 268,533.32 × 85,243.66
  4. Step 4: Simplify right side
    179,022.22x = 22,890,761,899.19
  5. Step 5: Solve for x
    x = 22,890,761,899.19/179,022.22
  6. Step 6: Final answer
    x = 127,865.48

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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.