Home / 274,319.06-378,351-236,141.33

Finding the Fourth Proportional to 274,319.06, 378,351 and 236,141.33

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Solution

The fourth proportional to 274,319.06, 378,351 and 236,141.33 is: 325,694.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,319.06 : 378,351 = 236,141.33 : x
  2. Step 2: Convert to fraction form
    274,319.06/378,351 = 236,141.33/x
  3. Step 3: Cross multiply
    274,319.06x = 378,351 × 236,141.33
  4. Step 4: Simplify right side
    274,319.06x = 89,344,306,455.08
  5. Step 5: Solve for x
    x = 89,344,306,455.08/274,319.06
  6. Step 6: Final answer
    x = 325,694.86

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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.