Home / 291,904.92-402,819.66-164,578.68

Finding the Fourth Proportional to 291,904.92, 402,819.66 and 164,578.68

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Solution

The fourth proportional to 291,904.92, 402,819.66 and 164,578.68 is: 227,113.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,904.92 : 402,819.66 = 164,578.68 : x
  2. Step 2: Convert to fraction form
    291,904.92/402,819.66 = 164,578.68/x
  3. Step 3: Cross multiply
    291,904.92x = 402,819.66 × 164,578.68
  4. Step 4: Simplify right side
    291,904.92x = 66,295,527,920.85
  5. Step 5: Solve for x
    x = 66,295,527,920.85/291,904.92
  6. Step 6: Final answer
    x = 227,113.43

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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.