Home / 265,965.32-398,881.02-132,749.48

Finding the Fourth Proportional to 265,965.32, 398,881.02 and 132,749.48

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Solution

The fourth proportional to 265,965.32, 398,881.02 and 132,749.48 is: 199,090.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,965.32 : 398,881.02 = 132,749.48 : x
  2. Step 2: Convert to fraction form
    265,965.32/398,881.02 = 132,749.48/x
  3. Step 3: Cross multiply
    265,965.32x = 398,881.02 × 132,749.48
  4. Step 4: Simplify right side
    265,965.32x = 52,951,247,986.87
  5. Step 5: Solve for x
    x = 52,951,247,986.87/265,965.32
  6. Step 6: Final answer
    x = 199,090.80

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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.