Home / 159,664.16-220,331.49-88,047.20

Finding the Fourth Proportional to 159,664.16, 220,331.49 and 88,047.20

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Solution

The fourth proportional to 159,664.16, 220,331.49 and 88,047.20 is: 121,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,664.16 : 220,331.49 = 88,047.20 : x
  2. Step 2: Convert to fraction form
    159,664.16/220,331.49 = 88,047.20/x
  3. Step 3: Cross multiply
    159,664.16x = 220,331.49 × 88,047.20
  4. Step 4: Simplify right side
    159,664.16x = 19,399,570,766.33
  5. Step 5: Solve for x
    x = 19,399,570,766.33/159,664.16
  6. Step 6: Final answer
    x = 121,502.35

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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.