Home / 265,764.24-398,941.20-108,102.60

Finding the Fourth Proportional to 265,764.24, 398,941.20 and 108,102.60

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Solution

The fourth proportional to 265,764.24, 398,941.20 and 108,102.60 is: 162,273.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,764.24 : 398,941.20 = 108,102.60 : x
  2. Step 2: Convert to fraction form
    265,764.24/398,941.20 = 108,102.60/x
  3. Step 3: Cross multiply
    265,764.24x = 398,941.20 × 108,102.60
  4. Step 4: Simplify right side
    265,764.24x = 43,126,580,967.12
  5. Step 5: Solve for x
    x = 43,126,580,967.12/265,764.24
  6. Step 6: Final answer
    x = 162,273.83

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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.