Home / 207,837.91-286,791.94-117,188.47

Finding the Fourth Proportional to 207,837.91, 286,791.94 and 117,188.47

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Solution

The fourth proportional to 207,837.91, 286,791.94 and 117,188.47 is: 161,706.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,837.91 : 286,791.94 = 117,188.47 : x
  2. Step 2: Convert to fraction form
    207,837.91/286,791.94 = 117,188.47/x
  3. Step 3: Cross multiply
    207,837.91x = 286,791.94 × 117,188.47
  4. Step 4: Simplify right side
    207,837.91x = 33,608,709,161.91
  5. Step 5: Solve for x
    x = 33,608,709,161.91/207,837.91
  6. Step 6: Final answer
    x = 161,706.35

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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.