Home / 180,688.36-271,132.98-80,844.52

Finding the Fourth Proportional to 180,688.36, 271,132.98 and 80,844.52

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Solution

The fourth proportional to 180,688.36, 271,132.98 and 80,844.52 is: 121,311.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,688.36 : 271,132.98 = 80,844.52 : x
  2. Step 2: Convert to fraction form
    180,688.36/271,132.98 = 80,844.52/x
  3. Step 3: Cross multiply
    180,688.36x = 271,132.98 × 80,844.52
  4. Step 4: Simplify right side
    180,688.36x = 21,919,615,624.27
  5. Step 5: Solve for x
    x = 21,919,615,624.27/180,688.36
  6. Step 6: Final answer
    x = 121,311.72

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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.