Home / 221,189.13-331,765.27-114,458.06

Finding the Fourth Proportional to 221,189.13, 331,765.27 and 114,458.06

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Solution

The fourth proportional to 221,189.13, 331,765.27 and 114,458.06 is: 171,677.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,189.13 : 331,765.27 = 114,458.06 : x
  2. Step 2: Convert to fraction form
    221,189.13/331,765.27 = 114,458.06/x
  3. Step 3: Cross multiply
    221,189.13x = 331,765.27 × 114,458.06
  4. Step 4: Simplify right side
    221,189.13x = 37,973,209,722.84
  5. Step 5: Solve for x
    x = 37,973,209,722.84/221,189.13
  6. Step 6: Final answer
    x = 171,677.56

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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.