Home / 110,396.81-165,596.85-31,511.09

Finding the Fourth Proportional to 110,396.81, 165,596.85 and 31,511.09

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Solution

The fourth proportional to 110,396.81, 165,596.85 and 31,511.09 is: 47,267.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,396.81 : 165,596.85 = 31,511.09 : x
  2. Step 2: Convert to fraction form
    110,396.81/165,596.85 = 31,511.09/x
  3. Step 3: Cross multiply
    110,396.81x = 165,596.85 × 31,511.09
  4. Step 4: Simplify right side
    110,396.81x = 5,218,137,658.06
  5. Step 5: Solve for x
    x = 5,218,137,658.06/110,396.81
  6. Step 6: Final answer
    x = 47,267.10

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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.