Home / 171,699.36-236,935.44-100,091.04

Finding the Fourth Proportional to 171,699.36, 236,935.44 and 100,091.04

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Solution

The fourth proportional to 171,699.36, 236,935.44 and 100,091.04 is: 138,119.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,699.36 : 236,935.44 = 100,091.04 : x
  2. Step 2: Convert to fraction form
    171,699.36/236,935.44 = 100,091.04/x
  3. Step 3: Cross multiply
    171,699.36x = 236,935.44 × 100,091.04
  4. Step 4: Simplify right side
    171,699.36x = 23,715,114,602.46
  5. Step 5: Solve for x
    x = 23,715,114,602.46/171,699.36
  6. Step 6: Final answer
    x = 138,119.99

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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.