Home / 110,138.60-165,214.20-31,246.64

Finding the Fourth Proportional to 110,138.60, 165,214.20 and 31,246.64

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Solution

The fourth proportional to 110,138.60, 165,214.20 and 31,246.64 is: 46,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,138.60 : 165,214.20 = 31,246.64 : x
  2. Step 2: Convert to fraction form
    110,138.60/165,214.20 = 31,246.64/x
  3. Step 3: Cross multiply
    110,138.60x = 165,214.20 × 31,246.64
  4. Step 4: Simplify right side
    110,138.60x = 5,162,388,630.29
  5. Step 5: Solve for x
    x = 5,162,388,630.29/110,138.60
  6. Step 6: Final answer
    x = 46,871.75

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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.