Home / 159,918.66-220,686.21-88,297.16

Finding the Fourth Proportional to 159,918.66, 220,686.21 and 88,297.16

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Solution

The fourth proportional to 159,918.66, 220,686.21 and 88,297.16 is: 121,849.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,918.66 : 220,686.21 = 88,297.16 : x
  2. Step 2: Convert to fraction form
    159,918.66/220,686.21 = 88,297.16/x
  3. Step 3: Cross multiply
    159,918.66x = 220,686.21 × 88,297.16
  4. Step 4: Simplify right side
    159,918.66x = 19,485,964,490.73
  5. Step 5: Solve for x
    x = 19,485,964,490.73/159,918.66
  6. Step 6: Final answer
    x = 121,849.22

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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.