Home / 199,172.20-274,857.56-108,528.12

Finding the Fourth Proportional to 199,172.20, 274,857.56 and 108,528.12

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Solution

The fourth proportional to 199,172.20, 274,857.56 and 108,528.12 is: 149,768.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,172.20 : 274,857.56 = 108,528.12 : x
  2. Step 2: Convert to fraction form
    199,172.20/274,857.56 = 108,528.12/x
  3. Step 3: Cross multiply
    199,172.20x = 274,857.56 × 108,528.12
  4. Step 4: Simplify right side
    199,172.20x = 29,829,774,254.59
  5. Step 5: Solve for x
    x = 29,829,774,254.59/199,172.20
  6. Step 6: Final answer
    x = 149,768.76

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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.