Home / 156,113.12-234,180.11-54,899.03

Finding the Fourth Proportional to 156,113.12, 234,180.11 and 54,899.03

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Solution

The fourth proportional to 156,113.12, 234,180.11 and 54,899.03 is: 82,352.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,113.12 : 234,180.11 = 54,899.03 : x
  2. Step 2: Convert to fraction form
    156,113.12/234,180.11 = 54,899.03/x
  3. Step 3: Cross multiply
    156,113.12x = 234,180.11 × 54,899.03
  4. Step 4: Simplify right side
    156,113.12x = 12,856,261,606.99
  5. Step 5: Solve for x
    x = 12,856,261,606.99/156,113.12
  6. Step 6: Final answer
    x = 82,352.22

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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.