Home / 248,042.10-372,149.55-107,901.30

Finding the Fourth Proportional to 248,042.10, 372,149.55 and 107,901.30

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Solution

The fourth proportional to 248,042.10, 372,149.55 and 107,901.30 is: 161,889.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,042.10 : 372,149.55 = 107,901.30 : x
  2. Step 2: Convert to fraction form
    248,042.10/372,149.55 = 107,901.30/x
  3. Step 3: Cross multiply
    248,042.10x = 372,149.55 × 107,901.30
  4. Step 4: Simplify right side
    248,042.10x = 40,155,420,239.42
  5. Step 5: Solve for x
    x = 40,155,420,239.42/248,042.10
  6. Step 6: Final answer
    x = 161,889.54

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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.