Home / 209,815.67-314,816.52-109,952.12

Finding the Fourth Proportional to 209,815.67, 314,816.52 and 109,952.12

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Solution

The fourth proportional to 209,815.67, 314,816.52 and 109,952.12 is: 164,976.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,815.67 : 314,816.52 = 109,952.12 : x
  2. Step 2: Convert to fraction form
    209,815.67/314,816.52 = 109,952.12/x
  3. Step 3: Cross multiply
    209,815.67x = 314,816.52 × 109,952.12
  4. Step 4: Simplify right side
    209,815.67x = 34,614,743,185.34
  5. Step 5: Solve for x
    x = 34,614,743,185.34/209,815.67
  6. Step 6: Final answer
    x = 164,976.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.