Home / 248,905.80-373,131.90-91,096.20

Finding the Fourth Proportional to 248,905.80, 373,131.90 and 91,096.20

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Solution

The fourth proportional to 248,905.80, 373,131.90 and 91,096.20 is: 136,561.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,905.80 : 373,131.90 = 91,096.20 : x
  2. Step 2: Convert to fraction form
    248,905.80/373,131.90 = 91,096.20/x
  3. Step 3: Cross multiply
    248,905.80x = 373,131.90 × 91,096.20
  4. Step 4: Simplify right side
    248,905.80x = 33,990,898,188.78
  5. Step 5: Solve for x
    x = 33,990,898,188.78/248,905.80
  6. Step 6: Final answer
    x = 136,561.29

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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.