Home / 171,111.24-236,162.64-99,532.75

Finding the Fourth Proportional to 171,111.24, 236,162.64 and 99,532.75

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Solution

The fourth proportional to 171,111.24, 236,162.64 and 99,532.75 is: 137,372.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,111.24 : 236,162.64 = 99,532.75 : x
  2. Step 2: Convert to fraction form
    171,111.24/236,162.64 = 99,532.75/x
  3. Step 3: Cross multiply
    171,111.24x = 236,162.64 × 99,532.75
  4. Step 4: Simplify right side
    171,111.24x = 23,505,917,006.46
  5. Step 5: Solve for x
    x = 23,505,917,006.46/171,111.24
  6. Step 6: Final answer
    x = 137,372.14

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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.