Home / 231,402.96-347,016.84-126,164.64

Finding the Fourth Proportional to 231,402.96, 347,016.84 and 126,164.64

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Solution

The fourth proportional to 231,402.96, 347,016.84 and 126,164.64 is: 189,199.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,402.96 : 347,016.84 = 126,164.64 : x
  2. Step 2: Convert to fraction form
    231,402.96/347,016.84 = 126,164.64/x
  3. Step 3: Cross multiply
    231,402.96x = 347,016.84 × 126,164.64
  4. Step 4: Simplify right side
    231,402.96x = 43,781,254,692.54
  5. Step 5: Solve for x
    x = 43,781,254,692.54/231,402.96
  6. Step 6: Final answer
    x = 189,199.20

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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.