Home / 160,791.06-221,904.96-89,194.20

Finding the Fourth Proportional to 160,791.06, 221,904.96 and 89,194.20

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Solution

The fourth proportional to 160,791.06, 221,904.96 and 89,194.20 is: 123,095.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,791.06 : 221,904.96 = 89,194.20 : x
  2. Step 2: Convert to fraction form
    160,791.06/221,904.96 = 89,194.20/x
  3. Step 3: Cross multiply
    160,791.06x = 221,904.96 × 89,194.20
  4. Step 4: Simplify right side
    160,791.06x = 19,792,635,383.23
  5. Step 5: Solve for x
    x = 19,792,635,383.23/160,791.06
  6. Step 6: Final answer
    x = 123,095.37

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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.