Home / 176,930.30-244,161.33-100,448.78

Finding the Fourth Proportional to 176,930.30, 244,161.33 and 100,448.78

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Solution

The fourth proportional to 176,930.30, 244,161.33 and 100,448.78 is: 138,617.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,930.30 : 244,161.33 = 100,448.78 : x
  2. Step 2: Convert to fraction form
    176,930.30/244,161.33 = 100,448.78/x
  3. Step 3: Cross multiply
    176,930.30x = 244,161.33 × 100,448.78
  4. Step 4: Simplify right side
    176,930.30x = 24,525,707,721.68
  5. Step 5: Solve for x
    x = 24,525,707,721.68/176,930.30
  6. Step 6: Final answer
    x = 138,617.91

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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.