Home / 248,629.48-372,999.93-90,853.90

Finding the Fourth Proportional to 248,629.48, 372,999.93 and 90,853.90

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Solution

The fourth proportional to 248,629.48, 372,999.93 and 90,853.90 is: 136,301.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,629.48 : 372,999.93 = 90,853.90 : x
  2. Step 2: Convert to fraction form
    248,629.48/372,999.93 = 90,853.90/x
  3. Step 3: Cross multiply
    248,629.48x = 372,999.93 × 90,853.90
  4. Step 4: Simplify right side
    248,629.48x = 33,888,498,340.23
  5. Step 5: Solve for x
    x = 33,888,498,340.23/248,629.48
  6. Step 6: Final answer
    x = 136,301.21

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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.