Home / 141,278.62-211,835.84-56,969.76

Finding the Fourth Proportional to 141,278.62, 211,835.84 and 56,969.76

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Solution

The fourth proportional to 141,278.62, 211,835.84 and 56,969.76 is: 85,421.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,278.62 : 211,835.84 = 56,969.76 : x
  2. Step 2: Convert to fraction form
    141,278.62/211,835.84 = 56,969.76/x
  3. Step 3: Cross multiply
    141,278.62x = 211,835.84 × 56,969.76
  4. Step 4: Simplify right side
    141,278.62x = 12,068,236,964.20
  5. Step 5: Solve for x
    x = 12,068,236,964.20/141,278.62
  6. Step 6: Final answer
    x = 85,421.54

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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.