Home / 195,769.09-270,097.10-109,715.50

Finding the Fourth Proportional to 195,769.09, 270,097.10 and 109,715.50

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Solution

The fourth proportional to 195,769.09, 270,097.10 and 109,715.50 is: 151,371.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,769.09 : 270,097.10 = 109,715.50 : x
  2. Step 2: Convert to fraction form
    195,769.09/270,097.10 = 109,715.50/x
  3. Step 3: Cross multiply
    195,769.09x = 270,097.10 × 109,715.50
  4. Step 4: Simplify right side
    195,769.09x = 29,633,837,826.47
  5. Step 5: Solve for x
    x = 29,633,837,826.47/195,769.09
  6. Step 6: Final answer
    x = 151,371.38

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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.