Home / 207,329.54-286,123.97-116,691.38

Finding the Fourth Proportional to 207,329.54, 286,123.97 and 116,691.38

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Solution

The fourth proportional to 207,329.54, 286,123.97 and 116,691.38 is: 161,039.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,329.54 : 286,123.97 = 116,691.38 : x
  2. Step 2: Convert to fraction form
    207,329.54/286,123.97 = 116,691.38/x
  3. Step 3: Cross multiply
    207,329.54x = 286,123.97 × 116,691.38
  4. Step 4: Simplify right side
    207,329.54x = 33,388,200,910.38
  5. Step 5: Solve for x
    x = 33,388,200,910.38/207,329.54
  6. Step 6: Final answer
    x = 161,039.29

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1.5x scale

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.