Home / 158,999.49-219,418.61-91,016.19

Finding the Fourth Proportional to 158,999.49, 219,418.61 and 91,016.19

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Solution

The fourth proportional to 158,999.49, 219,418.61 and 91,016.19 is: 125,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,999.49 : 219,418.61 = 91,016.19 : x
  2. Step 2: Convert to fraction form
    158,999.49/219,418.61 = 91,016.19/x
  3. Step 3: Cross multiply
    158,999.49x = 219,418.61 × 91,016.19
  4. Step 4: Simplify right side
    158,999.49x = 19,970,645,442.22
  5. Step 5: Solve for x
    x = 19,970,645,442.22/158,999.49
  6. Step 6: Final answer
    x = 125,601.95

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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.