Home / 166,620.81-229,697.53-118,791.12

Finding the Fourth Proportional to 166,620.81, 229,697.53 and 118,791.12

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Solution

The fourth proportional to 166,620.81, 229,697.53 and 118,791.12 is: 163,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,620.81 : 229,697.53 = 118,791.12 : x
  2. Step 2: Convert to fraction form
    166,620.81/229,697.53 = 118,791.12/x
  3. Step 3: Cross multiply
    166,620.81x = 229,697.53 × 118,791.12
  4. Step 4: Simplify right side
    166,620.81x = 27,286,026,849.93
  5. Step 5: Solve for x
    x = 27,286,026,849.93/166,620.81
  6. Step 6: Final answer
    x = 163,761.22

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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.