Home / 159,240.04-238,917.48-80,294.80

Finding the Fourth Proportional to 159,240.04, 238,917.48 and 80,294.80

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Solution

The fourth proportional to 159,240.04, 238,917.48 and 80,294.80 is: 120,471.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,240.04 : 238,917.48 = 80,294.80 : x
  2. Step 2: Convert to fraction form
    159,240.04/238,917.48 = 80,294.80/x
  3. Step 3: Cross multiply
    159,240.04x = 238,917.48 × 80,294.80
  4. Step 4: Simplify right side
    159,240.04x = 19,183,831,273.10
  5. Step 5: Solve for x
    x = 19,183,831,273.10/159,240.04
  6. Step 6: Final answer
    x = 120,471.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.