Home / 110,135.40-165,200.28-31,249.68

Finding the Fourth Proportional to 110,135.40, 165,200.28 and 31,249.68

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Solution

The fourth proportional to 110,135.40, 165,200.28 and 31,249.68 is: 46,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,135.40 : 165,200.28 = 31,249.68 : x
  2. Step 2: Convert to fraction form
    110,135.40/165,200.28 = 31,249.68/x
  3. Step 3: Cross multiply
    110,135.40x = 165,200.28 × 31,249.68
  4. Step 4: Simplify right side
    110,135.40x = 5,162,455,885.91
  5. Step 5: Solve for x
    x = 5,162,455,885.91/110,135.40
  6. Step 6: Final answer
    x = 46,873.72

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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.