Home / 110,430.43-165,318.40-68,174.64

Finding the Fourth Proportional to 110,430.43, 165,318.40 and 68,174.64

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Solution

The fourth proportional to 110,430.43, 165,318.40 and 68,174.64 is: 102,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,430.43 : 165,318.40 = 68,174.64 : x
  2. Step 2: Convert to fraction form
    110,430.43/165,318.40 = 68,174.64/x
  3. Step 3: Cross multiply
    110,430.43x = 165,318.40 × 68,174.64
  4. Step 4: Simplify right side
    110,430.43x = 11,270,522,405.38
  5. Step 5: Solve for x
    x = 11,270,522,405.38/110,430.43
  6. Step 6: Final answer
    x = 102,059.93

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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.