Home / 180,948.96-271,337.16-81,109.98

Finding the Fourth Proportional to 180,948.96, 271,337.16 and 81,109.98

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Solution

The fourth proportional to 180,948.96, 271,337.16 and 81,109.98 is: 121,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,948.96 : 271,337.16 = 81,109.98 : x
  2. Step 2: Convert to fraction form
    180,948.96/271,337.16 = 81,109.98/x
  3. Step 3: Cross multiply
    180,948.96x = 271,337.16 × 81,109.98
  4. Step 4: Simplify right side
    180,948.96x = 22,008,151,620.86
  5. Step 5: Solve for x
    x = 22,008,151,620.86/180,948.96
  6. Step 6: Final answer
    x = 121,626.30

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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.