Home / 110,397.20-165,597.42-31,511.48

Finding the Fourth Proportional to 110,397.20, 165,597.42 and 31,511.48

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Solution

The fourth proportional to 110,397.20, 165,597.42 and 31,511.48 is: 47,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,397.20 : 165,597.42 = 31,511.48 : x
  2. Step 2: Convert to fraction form
    110,397.20/165,597.42 = 31,511.48/x
  3. Step 3: Cross multiply
    110,397.20x = 165,597.42 × 31,511.48
  4. Step 4: Simplify right side
    110,397.20x = 5,218,218,960.39
  5. Step 5: Solve for x
    x = 5,218,218,960.39/110,397.20
  6. Step 6: Final answer
    x = 47,267.68

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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.