Home / 248,431.40-372,647.10-222,770.60

Finding the Fourth Proportional to 248,431.40, 372,647.10 and 222,770.60

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Solution

The fourth proportional to 248,431.40, 372,647.10 and 222,770.60 is: 334,155.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,431.40 : 372,647.10 = 222,770.60 : x
  2. Step 2: Convert to fraction form
    248,431.40/372,647.10 = 222,770.60/x
  3. Step 3: Cross multiply
    248,431.40x = 372,647.10 × 222,770.60
  4. Step 4: Simplify right side
    248,431.40x = 83,014,818,055.26
  5. Step 5: Solve for x
    x = 83,014,818,055.26/248,431.40
  6. Step 6: Final answer
    x = 334,155.90

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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.