Home / 110,942.23-166,411.80-103,850.20

Finding the Fourth Proportional to 110,942.23, 166,411.80 and 103,850.20

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Solution

The fourth proportional to 110,942.23, 166,411.80 and 103,850.20 is: 155,773.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,942.23 : 166,411.80 = 103,850.20 : x
  2. Step 2: Convert to fraction form
    110,942.23/166,411.80 = 103,850.20/x
  3. Step 3: Cross multiply
    110,942.23x = 166,411.80 × 103,850.20
  4. Step 4: Simplify right side
    110,942.23x = 17,281,898,712.36
  5. Step 5: Solve for x
    x = 17,281,898,712.36/110,942.23
  6. Step 6: Final answer
    x = 155,773.85

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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.