Home / 274,262.22-378,516.92-153,410.22

Finding the Fourth Proportional to 274,262.22, 378,516.92 and 153,410.22

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Solution

The fourth proportional to 274,262.22, 378,516.92 and 153,410.22 is: 211,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,262.22 : 378,516.92 = 153,410.22 : x
  2. Step 2: Convert to fraction form
    274,262.22/378,516.92 = 153,410.22/x
  3. Step 3: Cross multiply
    274,262.22x = 378,516.92 × 153,410.22
  4. Step 4: Simplify right side
    274,262.22x = 58,068,363,970.92
  5. Step 5: Solve for x
    x = 58,068,363,970.92/274,262.22
  6. Step 6: Final answer
    x = 211,725.71

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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.