Home / 141,649.40-212,453.04-52,891.76

Finding the Fourth Proportional to 141,649.40, 212,453.04 and 52,891.76

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Solution

The fourth proportional to 141,649.40, 212,453.04 and 52,891.76 is: 79,329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,649.40 : 212,453.04 = 52,891.76 : x
  2. Step 2: Convert to fraction form
    141,649.40/212,453.04 = 52,891.76/x
  3. Step 3: Cross multiply
    141,649.40x = 212,453.04 × 52,891.76
  4. Step 4: Simplify right side
    141,649.40x = 11,237,015,202.95
  5. Step 5: Solve for x
    x = 11,237,015,202.95/141,649.40
  6. Step 6: Final answer
    x = 79,329.78

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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.