Home / 165,161.78-227,923.07-93,555.61

Finding the Fourth Proportional to 165,161.78, 227,923.07 and 93,555.61

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Solution

The fourth proportional to 165,161.78, 227,923.07 and 93,555.61 is: 129,106.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,161.78 : 227,923.07 = 93,555.61 : x
  2. Step 2: Convert to fraction form
    165,161.78/227,923.07 = 93,555.61/x
  3. Step 3: Cross multiply
    165,161.78x = 227,923.07 × 93,555.61
  4. Step 4: Simplify right side
    165,161.78x = 21,323,480,809.34
  5. Step 5: Solve for x
    x = 21,323,480,809.34/165,161.78
  6. Step 6: Final answer
    x = 129,106.63

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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.