Home / 159,945.24-220,724.40-88,325.40

Finding the Fourth Proportional to 159,945.24, 220,724.40 and 88,325.40

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Solution

The fourth proportional to 159,945.24, 220,724.40 and 88,325.40 is: 121,889.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,945.24 : 220,724.40 = 88,325.40 : x
  2. Step 2: Convert to fraction form
    159,945.24/220,724.40 = 88,325.40/x
  3. Step 3: Cross multiply
    159,945.24x = 220,724.40 × 88,325.40
  4. Step 4: Simplify right side
    159,945.24x = 19,495,570,919.76
  5. Step 5: Solve for x
    x = 19,495,570,919.76/159,945.24
  6. Step 6: Final answer
    x = 121,889.03

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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.