Home / 270,027.08-372,743.60-178,131.76

Finding the Fourth Proportional to 270,027.08, 372,743.60 and 178,131.76

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Solution

The fourth proportional to 270,027.08, 372,743.60 and 178,131.76 is: 245,891.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,027.08 : 372,743.60 = 178,131.76 : x
  2. Step 2: Convert to fraction form
    270,027.08/372,743.60 = 178,131.76/x
  3. Step 3: Cross multiply
    270,027.08x = 372,743.60 × 178,131.76
  4. Step 4: Simplify right side
    270,027.08x = 66,397,473,496.74
  5. Step 5: Solve for x
    x = 66,397,473,496.74/270,027.08
  6. Step 6: Final answer
    x = 245,891.91

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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.