Home / 141,272.64-211,711.92-106,171.20

Finding the Fourth Proportional to 141,272.64, 211,711.92 and 106,171.20

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Solution

The fourth proportional to 141,272.64, 211,711.92 and 106,171.20 is: 159,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,272.64 : 211,711.92 = 106,171.20 : x
  2. Step 2: Convert to fraction form
    141,272.64/211,711.92 = 106,171.20/x
  3. Step 3: Cross multiply
    141,272.64x = 211,711.92 × 106,171.20
  4. Step 4: Simplify right side
    141,272.64x = 22,477,708,600.70
  5. Step 5: Solve for x
    x = 22,477,708,600.70/141,272.64
  6. Step 6: Final answer
    x = 159,108.72

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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.