Home / 141,664.40-212,496.60-132,333.20

Finding the Fourth Proportional to 141,664.40, 212,496.60 and 132,333.20

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Solution

The fourth proportional to 141,664.40, 212,496.60 and 132,333.20 is: 198,499.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,664.40 : 212,496.60 = 132,333.20 : x
  2. Step 2: Convert to fraction form
    141,664.40/212,496.60 = 132,333.20/x
  3. Step 3: Cross multiply
    141,664.40x = 212,496.60 × 132,333.20
  4. Step 4: Simplify right side
    141,664.40x = 28,120,355,067.12
  5. Step 5: Solve for x
    x = 28,120,355,067.12/141,664.40
  6. Step 6: Final answer
    x = 198,499.80

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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.