Home / 156,548.22-234,817.66-135,425.89

Finding the Fourth Proportional to 156,548.22, 234,817.66 and 135,425.89

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Solution

The fourth proportional to 156,548.22, 234,817.66 and 135,425.89 is: 203,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,548.22 : 234,817.66 = 135,425.89 : x
  2. Step 2: Convert to fraction form
    156,548.22/234,817.66 = 135,425.89/x
  3. Step 3: Cross multiply
    156,548.22x = 234,817.66 × 135,425.89
  4. Step 4: Simplify right side
    156,548.22x = 31,800,390,593.22
  5. Step 5: Solve for x
    x = 31,800,390,593.22/156,548.22
  6. Step 6: Final answer
    x = 203,134.80

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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.