Home / 205,917.61-284,019.81-188,976.55

Finding the Fourth Proportional to 205,917.61, 284,019.81 and 188,976.55

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Solution

The fourth proportional to 205,917.61, 284,019.81 and 188,976.55 is: 260,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,917.61 : 284,019.81 = 188,976.55 : x
  2. Step 2: Convert to fraction form
    205,917.61/284,019.81 = 188,976.55/x
  3. Step 3: Cross multiply
    205,917.61x = 284,019.81 × 188,976.55
  4. Step 4: Simplify right side
    205,917.61x = 53,673,083,825.46
  5. Step 5: Solve for x
    x = 53,673,083,825.46/205,917.61
  6. Step 6: Final answer
    x = 260,653.20

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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.