Home / 168,939.24-233,113.10-100,941.77

Finding the Fourth Proportional to 168,939.24, 233,113.10 and 100,941.77

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Solution

The fourth proportional to 168,939.24, 233,113.10 and 100,941.77 is: 139,285.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,939.24 : 233,113.10 = 100,941.77 : x
  2. Step 2: Convert to fraction form
    168,939.24/233,113.10 = 100,941.77/x
  3. Step 3: Cross multiply
    168,939.24x = 233,113.10 × 100,941.77
  4. Step 4: Simplify right side
    168,939.24x = 23,530,847,253.91
  5. Step 5: Solve for x
    x = 23,530,847,253.91/168,939.24
  6. Step 6: Final answer
    x = 139,285.86

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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.