Home / 248,055.14-372,081.31-90,283.59

Finding the Fourth Proportional to 248,055.14, 372,081.31 and 90,283.59

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Solution

The fourth proportional to 248,055.14, 372,081.31 and 90,283.59 is: 135,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,055.14 : 372,081.31 = 90,283.59 : x
  2. Step 2: Convert to fraction form
    248,055.14/372,081.31 = 90,283.59/x
  3. Step 3: Cross multiply
    248,055.14x = 372,081.31 × 90,283.59
  4. Step 4: Simplify right side
    248,055.14x = 33,592,836,212.99
  5. Step 5: Solve for x
    x = 33,592,836,212.99/248,055.14
  6. Step 6: Final answer
    x = 135,424.88

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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.