Home / 168,872.78-233,006.28-100,876.45

Finding the Fourth Proportional to 168,872.78, 233,006.28 and 100,876.45

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Solution

The fourth proportional to 168,872.78, 233,006.28 and 100,876.45 is: 139,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,872.78 : 233,006.28 = 100,876.45 : x
  2. Step 2: Convert to fraction form
    168,872.78/233,006.28 = 100,876.45/x
  3. Step 3: Cross multiply
    168,872.78x = 233,006.28 × 100,876.45
  4. Step 4: Simplify right side
    168,872.78x = 23,504,846,354.11
  5. Step 5: Solve for x
    x = 23,504,846,354.11/168,872.78
  6. Step 6: Final answer
    x = 139,186.71

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1.5x scale

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.