Home / 110,132.60-165,205.18-31,240.64

Finding the Fourth Proportional to 110,132.60, 165,205.18 and 31,240.64

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Solution

The fourth proportional to 110,132.60, 165,205.18 and 31,240.64 is: 46,862.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,132.60 : 165,205.18 = 31,240.64 : x
  2. Step 2: Convert to fraction form
    110,132.60/165,205.18 = 31,240.64/x
  3. Step 3: Cross multiply
    110,132.60x = 165,205.18 × 31,240.64
  4. Step 4: Simplify right side
    110,132.60x = 5,161,115,554.52
  5. Step 5: Solve for x
    x = 5,161,115,554.52/110,132.60
  6. Step 6: Final answer
    x = 46,862.74

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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.