Home / 180,945.18-271,286.54-121,633.74

Finding the Fourth Proportional to 180,945.18, 271,286.54 and 121,633.74

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Solution

The fourth proportional to 180,945.18, 271,286.54 and 121,633.74 is: 182,362.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,945.18 : 271,286.54 = 121,633.74 : x
  2. Step 2: Convert to fraction form
    180,945.18/271,286.54 = 121,633.74/x
  3. Step 3: Cross multiply
    180,945.18x = 271,286.54 × 121,633.74
  4. Step 4: Simplify right side
    180,945.18x = 32,997,595,115.43
  5. Step 5: Solve for x
    x = 32,997,595,115.43/180,945.18
  6. Step 6: Final answer
    x = 182,362.39

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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.