Home / 168,941.30-233,115.93-100,943.90

Finding the Fourth Proportional to 168,941.30, 233,115.93 and 100,943.90

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Solution

The fourth proportional to 168,941.30, 233,115.93 and 100,943.90 is: 139,288.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,941.30 : 233,115.93 = 100,943.90 : x
  2. Step 2: Convert to fraction form
    168,941.30/233,115.93 = 100,943.90/x
  3. Step 3: Cross multiply
    168,941.30x = 233,115.93 × 100,943.90
  4. Step 4: Simplify right side
    168,941.30x = 23,531,631,126.33
  5. Step 5: Solve for x
    x = 23,531,631,126.33/168,941.30
  6. Step 6: Final answer
    x = 139,288.80

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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.