Home / 141,032.40-211,548.60-131,190.90

Finding the Fourth Proportional to 141,032.40, 211,548.60 and 131,190.90

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Solution

The fourth proportional to 141,032.40, 211,548.60 and 131,190.90 is: 196,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,032.40 : 211,548.60 = 131,190.90 : x
  2. Step 2: Convert to fraction form
    141,032.40/211,548.60 = 131,190.90/x
  3. Step 3: Cross multiply
    141,032.40x = 211,548.60 × 131,190.90
  4. Step 4: Simplify right side
    141,032.40x = 27,753,251,227.74
  5. Step 5: Solve for x
    x = 27,753,251,227.74/141,032.40
  6. Step 6: Final answer
    x = 196,786.35

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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.