Home / 159,917.24-220,688.64-88,293.02

Finding the Fourth Proportional to 159,917.24, 220,688.64 and 88,293.02

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Solution

The fourth proportional to 159,917.24, 220,688.64 and 88,293.02 is: 121,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,917.24 : 220,688.64 = 88,293.02 : x
  2. Step 2: Convert to fraction form
    159,917.24/220,688.64 = 88,293.02/x
  3. Step 3: Cross multiply
    159,917.24x = 220,688.64 × 88,293.02
  4. Step 4: Simplify right side
    159,917.24x = 19,485,266,505.29
  5. Step 5: Solve for x
    x = 19,485,266,505.29/159,917.24
  6. Step 6: Final answer
    x = 121,845.94

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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.