Home / 199,204.25-274,901.87-109,780.25

Finding the Fourth Proportional to 199,204.25, 274,901.87 and 109,780.25

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Solution

The fourth proportional to 199,204.25, 274,901.87 and 109,780.25 is: 151,496.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,204.25 : 274,901.87 = 109,780.25 : x
  2. Step 2: Convert to fraction form
    199,204.25/274,901.87 = 109,780.25/x
  3. Step 3: Cross multiply
    199,204.25x = 274,901.87 × 109,780.25
  4. Step 4: Simplify right side
    199,204.25x = 30,178,796,151.29
  5. Step 5: Solve for x
    x = 30,178,796,151.29/199,204.25
  6. Step 6: Final answer
    x = 151,496.75

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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.