Home / 150,719.94-207,996.26-82,743.32

Finding the Fourth Proportional to 150,719.94, 207,996.26 and 82,743.32

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Solution

The fourth proportional to 150,719.94, 207,996.26 and 82,743.32 is: 114,187.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,719.94 : 207,996.26 = 82,743.32 : x
  2. Step 2: Convert to fraction form
    150,719.94/207,996.26 = 82,743.32/x
  3. Step 3: Cross multiply
    150,719.94x = 207,996.26 × 82,743.32
  4. Step 4: Simplify right side
    150,719.94x = 17,210,301,206.26
  5. Step 5: Solve for x
    x = 17,210,301,206.26/150,719.94
  6. Step 6: Final answer
    x = 114,187.29

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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.