Home / 141,893.40-195,836.22-85,335.96

Finding the Fourth Proportional to 141,893.40, 195,836.22 and 85,335.96

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Solution

The fourth proportional to 141,893.40, 195,836.22 and 85,335.96 is: 117,777.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,893.40 : 195,836.22 = 85,335.96 : x
  2. Step 2: Convert to fraction form
    141,893.40/195,836.22 = 85,335.96/x
  3. Step 3: Cross multiply
    141,893.40x = 195,836.22 × 85,335.96
  4. Step 4: Simplify right side
    141,893.40x = 16,711,871,836.47
  5. Step 5: Solve for x
    x = 16,711,871,836.47/141,893.40
  6. Step 6: Final answer
    x = 117,777.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.