Home / 229,190.51-316,249.19-127,216.73

Finding the Fourth Proportional to 229,190.51, 316,249.19 and 127,216.73

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Solution

The fourth proportional to 229,190.51, 316,249.19 and 127,216.73 is: 175,540.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,190.51 : 316,249.19 = 127,216.73 : x
  2. Step 2: Convert to fraction form
    229,190.51/316,249.19 = 127,216.73/x
  3. Step 3: Cross multiply
    229,190.51x = 316,249.19 × 127,216.73
  4. Step 4: Simplify right side
    229,190.51x = 40,232,188,607.57
  5. Step 5: Solve for x
    x = 40,232,188,607.57/229,190.51
  6. Step 6: Final answer
    x = 175,540.38

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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.