Home / 199,172.05-274,853.88-108,528.80

Finding the Fourth Proportional to 199,172.05, 274,853.88 and 108,528.80

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Solution

The fourth proportional to 199,172.05, 274,853.88 and 108,528.80 is: 149,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,172.05 : 274,853.88 = 108,528.80 : x
  2. Step 2: Convert to fraction form
    199,172.05/274,853.88 = 108,528.80/x
  3. Step 3: Cross multiply
    199,172.05x = 274,853.88 × 108,528.80
  4. Step 4: Simplify right side
    199,172.05x = 29,829,561,638.29
  5. Step 5: Solve for x
    x = 29,829,561,638.29/199,172.05
  6. Step 6: Final answer
    x = 149,767.81

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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.