Home / 207,918.60-286,915.78-117,269.16

Finding the Fourth Proportional to 207,918.60, 286,915.78 and 117,269.16

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Solution

The fourth proportional to 207,918.60, 286,915.78 and 117,269.16 is: 161,824.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,918.60 : 286,915.78 = 117,269.16 : x
  2. Step 2: Convert to fraction form
    207,918.60/286,915.78 = 117,269.16/x
  3. Step 3: Cross multiply
    207,918.60x = 286,915.78 × 117,269.16
  4. Step 4: Simplify right side
    207,918.60x = 33,646,372,416.97
  5. Step 5: Solve for x
    x = 33,646,372,416.97/207,918.60
  6. Step 6: Final answer
    x = 161,824.73

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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.