Home / 199,173.32-274,855.62-108,530.07

Finding the Fourth Proportional to 199,173.32, 274,855.62 and 108,530.07

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Solution

The fourth proportional to 199,173.32, 274,855.62 and 108,530.07 is: 149,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,173.32 : 274,855.62 = 108,530.07 : x
  2. Step 2: Convert to fraction form
    199,173.32/274,855.62 = 108,530.07/x
  3. Step 3: Cross multiply
    199,173.32x = 274,855.62 × 108,530.07
  4. Step 4: Simplify right side
    199,173.32x = 29,830,098,444.29
  5. Step 5: Solve for x
    x = 29,830,098,444.29/199,173.32
  6. Step 6: Final answer
    x = 149,769.55

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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.