Home / 185,186.71-276,161.36-164,774.71

Finding the Fourth Proportional to 185,186.71, 276,161.36 and 164,774.71

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Solution

The fourth proportional to 185,186.71, 276,161.36 and 164,774.71 is: 245,721.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,186.71 : 276,161.36 = 164,774.71 : x
  2. Step 2: Convert to fraction form
    185,186.71/276,161.36 = 164,774.71/x
  3. Step 3: Cross multiply
    185,186.71x = 276,161.36 × 164,774.71
  4. Step 4: Simplify right side
    185,186.71x = 45,504,408,007.21
  5. Step 5: Solve for x
    x = 45,504,408,007.21/185,186.71
  6. Step 6: Final answer
    x = 245,721.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.