Home / 248,531.06-372,705.87-90,712.82

Finding the Fourth Proportional to 248,531.06, 372,705.87 and 90,712.82

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Solution

The fourth proportional to 248,531.06, 372,705.87 and 90,712.82 is: 136,036.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,531.06 : 372,705.87 = 90,712.82 : x
  2. Step 2: Convert to fraction form
    248,531.06/372,705.87 = 90,712.82/x
  3. Step 3: Cross multiply
    248,531.06x = 372,705.87 × 90,712.82
  4. Step 4: Simplify right side
    248,531.06x = 33,809,200,498.25
  5. Step 5: Solve for x
    x = 33,809,200,498.25/248,531.06
  6. Step 6: Final answer
    x = 136,036.12

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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.