Home / 159,132.48-219,608.46-87,518.04

Finding the Fourth Proportional to 159,132.48, 219,608.46 and 87,518.04

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Solution

The fourth proportional to 159,132.48, 219,608.46 and 87,518.04 is: 120,778.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,132.48 : 219,608.46 = 87,518.04 : x
  2. Step 2: Convert to fraction form
    159,132.48/219,608.46 = 87,518.04/x
  3. Step 3: Cross multiply
    159,132.48x = 219,608.46 × 87,518.04
  4. Step 4: Simplify right side
    159,132.48x = 19,219,701,986.62
  5. Step 5: Solve for x
    x = 19,219,701,986.62/159,132.48
  6. Step 6: Final answer
    x = 120,778.00

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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.