Home / 110,850.66-152,928.61-81,848.53

Finding the Fourth Proportional to 110,850.66, 152,928.61 and 81,848.53

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Solution

The fourth proportional to 110,850.66, 152,928.61 and 81,848.53 is: 112,917.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,850.66 : 152,928.61 = 81,848.53 : x
  2. Step 2: Convert to fraction form
    110,850.66/152,928.61 = 81,848.53/x
  3. Step 3: Cross multiply
    110,850.66x = 152,928.61 × 81,848.53
  4. Step 4: Simplify right side
    110,850.66x = 12,516,981,923.44
  5. Step 5: Solve for x
    x = 12,516,981,923.44/110,850.66
  6. Step 6: Final answer
    x = 112,917.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.