Home / 120,297.03-165,838.76-82,007.44

Finding the Fourth Proportional to 120,297.03, 165,838.76 and 82,007.44

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Solution

The fourth proportional to 120,297.03, 165,838.76 and 82,007.44 is: 113,053.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,297.03 : 165,838.76 = 82,007.44 : x
  2. Step 2: Convert to fraction form
    120,297.03/165,838.76 = 82,007.44/x
  3. Step 3: Cross multiply
    120,297.03x = 165,838.76 × 82,007.44
  4. Step 4: Simplify right side
    120,297.03x = 13,600,013,037.40
  5. Step 5: Solve for x
    x = 13,600,013,037.40/120,297.03
  6. Step 6: Final answer
    x = 113,053.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.