Home / 110,140.60-165,217.20-31,248.64

Finding the Fourth Proportional to 110,140.60, 165,217.20 and 31,248.64

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Solution

The fourth proportional to 110,140.60, 165,217.20 and 31,248.64 is: 46,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,140.60 : 165,217.20 = 31,248.64 : x
  2. Step 2: Convert to fraction form
    110,140.60/165,217.20 = 31,248.64/x
  3. Step 3: Cross multiply
    110,140.60x = 165,217.20 × 31,248.64
  4. Step 4: Simplify right side
    110,140.60x = 5,162,812,804.61
  5. Step 5: Solve for x
    x = 5,162,812,804.61/110,140.60
  6. Step 6: Final answer
    x = 46,874.75

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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.