Home / 168,942.30-233,117.35-100,944.90

Finding the Fourth Proportional to 168,942.30, 233,117.35 and 100,944.90

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Solution

The fourth proportional to 168,942.30, 233,117.35 and 100,944.90 is: 139,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,942.30 : 233,117.35 = 100,944.90 : x
  2. Step 2: Convert to fraction form
    168,942.30/233,117.35 = 100,944.90/x
  3. Step 3: Cross multiply
    168,942.30x = 233,117.35 × 100,944.90
  4. Step 4: Simplify right side
    168,942.30x = 23,532,007,584.02
  5. Step 5: Solve for x
    x = 23,532,007,584.02/168,942.30
  6. Step 6: Final answer
    x = 139,290.20

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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.