Home / 132,767.55-183,135.49-79,012.44

Finding the Fourth Proportional to 132,767.55, 183,135.49 and 79,012.44

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Solution

The fourth proportional to 132,767.55, 183,135.49 and 79,012.44 is: 108,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,767.55 : 183,135.49 = 79,012.44 : x
  2. Step 2: Convert to fraction form
    132,767.55/183,135.49 = 79,012.44/x
  3. Step 3: Cross multiply
    132,767.55x = 183,135.49 × 79,012.44
  4. Step 4: Simplify right side
    132,767.55x = 14,469,981,915.50
  5. Step 5: Solve for x
    x = 14,469,981,915.50/132,767.55
  6. Step 6: Final answer
    x = 108,987.34

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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.