Home / 265,945.20-367,003.80-145,086.56

Finding the Fourth Proportional to 265,945.20, 367,003.80 and 145,086.56

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Solution

The fourth proportional to 265,945.20, 367,003.80 and 145,086.56 is: 200,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,945.20 : 367,003.80 = 145,086.56 : x
  2. Step 2: Convert to fraction form
    265,945.20/367,003.80 = 145,086.56/x
  3. Step 3: Cross multiply
    265,945.20x = 367,003.80 × 145,086.56
  4. Step 4: Simplify right side
    265,945.20x = 53,247,318,848.93
  5. Step 5: Solve for x
    x = 53,247,318,848.93/265,945.20
  6. Step 6: Final answer
    x = 200,219.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.