Home / 248,261.16-372,450.08-70,770.72

Finding the Fourth Proportional to 248,261.16, 372,450.08 and 70,770.72

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Solution

The fourth proportional to 248,261.16, 372,450.08 and 70,770.72 is: 106,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,261.16 : 372,450.08 = 70,770.72 : x
  2. Step 2: Convert to fraction form
    248,261.16/372,450.08 = 70,770.72/x
  3. Step 3: Cross multiply
    248,261.16x = 372,450.08 × 70,770.72
  4. Step 4: Simplify right side
    248,261.16x = 26,358,560,325.66
  5. Step 5: Solve for x
    x = 26,358,560,325.66/248,261.16
  6. Step 6: Final answer
    x = 106,172.71

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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.