Home / 156,126.60-234,200.34-54,912.51

Finding the Fourth Proportional to 156,126.60, 234,200.34 and 54,912.51

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Solution

The fourth proportional to 156,126.60, 234,200.34 and 54,912.51 is: 82,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,126.60 : 234,200.34 = 54,912.51 : x
  2. Step 2: Convert to fraction form
    156,126.60/234,200.34 = 54,912.51/x
  3. Step 3: Cross multiply
    156,126.60x = 234,200.34 × 54,912.51
  4. Step 4: Simplify right side
    156,126.60x = 12,860,528,512.25
  5. Step 5: Solve for x
    x = 12,860,528,512.25/156,126.60
  6. Step 6: Final answer
    x = 82,372.44

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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.