Home / 110,545.12-165,768.96-31,641.44

Finding the Fourth Proportional to 110,545.12, 165,768.96 and 31,641.44

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Solution

The fourth proportional to 110,545.12, 165,768.96 and 31,641.44 is: 47,448.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,545.12 : 165,768.96 = 31,641.44 : x
  2. Step 2: Convert to fraction form
    110,545.12/165,768.96 = 31,641.44/x
  3. Step 3: Cross multiply
    110,545.12x = 165,768.96 × 31,641.44
  4. Step 4: Simplify right side
    110,545.12x = 5,245,168,601.70
  5. Step 5: Solve for x
    x = 5,245,168,601.70/110,545.12
  6. Step 6: Final answer
    x = 47,448.21

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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.