Home / 209,734.31-313,016.93-195,513.32

Finding the Fourth Proportional to 209,734.31, 313,016.93 and 195,513.32

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Solution

The fourth proportional to 209,734.31, 313,016.93 and 195,513.32 is: 291,792.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,734.31 : 313,016.93 = 195,513.32 : x
  2. Step 2: Convert to fraction form
    209,734.31/313,016.93 = 195,513.32/x
  3. Step 3: Cross multiply
    209,734.31x = 313,016.93 × 195,513.32
  4. Step 4: Simplify right side
    209,734.31x = 61,198,976,657.86
  5. Step 5: Solve for x
    x = 61,198,976,657.86/209,734.31
  6. Step 6: Final answer
    x = 291,792.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.