Home / 132,827.60-199,241.40-131,445.20

Finding the Fourth Proportional to 132,827.60, 199,241.40 and 131,445.20

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Solution

The fourth proportional to 132,827.60, 199,241.40 and 131,445.20 is: 197,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,827.60 : 199,241.40 = 131,445.20 : x
  2. Step 2: Convert to fraction form
    132,827.60/199,241.40 = 131,445.20/x
  3. Step 3: Cross multiply
    132,827.60x = 199,241.40 × 131,445.20
  4. Step 4: Simplify right side
    132,827.60x = 26,189,325,671.28
  5. Step 5: Solve for x
    x = 26,189,325,671.28/132,827.60
  6. Step 6: Final answer
    x = 197,167.80

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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.