Home / 248,055.51-372,081.88-90,283.96

Finding the Fourth Proportional to 248,055.51, 372,081.88 and 90,283.96

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Solution

The fourth proportional to 248,055.51, 372,081.88 and 90,283.96 is: 135,425.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,055.51 : 372,081.88 = 90,283.96 : x
  2. Step 2: Convert to fraction form
    248,055.51/372,081.88 = 90,283.96/x
  3. Step 3: Cross multiply
    248,055.51x = 372,081.88 × 90,283.96
  4. Step 4: Simplify right side
    248,055.51x = 33,593,024,414.73
  5. Step 5: Solve for x
    x = 33,593,024,414.73/248,055.51
  6. Step 6: Final answer
    x = 135,425.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.