Home / 171,371.30-236,435.16-99,736.13

Finding the Fourth Proportional to 171,371.30, 236,435.16 and 99,736.13

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Solution

The fourth proportional to 171,371.30, 236,435.16 and 99,736.13 is: 137,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,371.30 : 236,435.16 = 99,736.13 : x
  2. Step 2: Convert to fraction form
    171,371.30/236,435.16 = 99,736.13/x
  3. Step 3: Cross multiply
    171,371.30x = 236,435.16 × 99,736.13
  4. Step 4: Simplify right side
    171,371.30x = 23,581,127,854.33
  5. Step 5: Solve for x
    x = 23,581,127,854.33/171,371.30
  6. Step 6: Final answer
    x = 137,602.55

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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.