Home / 110,345.90-165,469.77-31,442.30

Finding the Fourth Proportional to 110,345.90, 165,469.77 and 31,442.30

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Solution

The fourth proportional to 110,345.90, 165,469.77 and 31,442.30 is: 47,149.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,345.90 : 165,469.77 = 31,442.30 : x
  2. Step 2: Convert to fraction form
    110,345.90/165,469.77 = 31,442.30/x
  3. Step 3: Cross multiply
    110,345.90x = 165,469.77 × 31,442.30
  4. Step 4: Simplify right side
    110,345.90x = 5,202,750,149.27
  5. Step 5: Solve for x
    x = 5,202,750,149.27/110,345.90
  6. Step 6: Final answer
    x = 47,149.46

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1.5x scale

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.