Home / 207,716.46-286,657.07-117,076.20

Finding the Fourth Proportional to 207,716.46, 286,657.07 and 117,076.20

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Solution

The fourth proportional to 207,716.46, 286,657.07 and 117,076.20 is: 161,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,716.46 : 286,657.07 = 117,076.20 : x
  2. Step 2: Convert to fraction form
    207,716.46/286,657.07 = 117,076.20/x
  3. Step 3: Cross multiply
    207,716.46x = 286,657.07 × 117,076.20
  4. Step 4: Simplify right side
    207,716.46x = 33,560,719,873.35
  5. Step 5: Solve for x
    x = 33,560,719,873.35/207,716.46
  6. Step 6: Final answer
    x = 161,569.86

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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.