Home / 141,770.35-212,659.62-53,006.90

Finding the Fourth Proportional to 141,770.35, 212,659.62 and 53,006.90

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Solution

The fourth proportional to 141,770.35, 212,659.62 and 53,006.90 is: 79,511.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,770.35 : 212,659.62 = 53,006.90 : x
  2. Step 2: Convert to fraction form
    141,770.35/212,659.62 = 53,006.90/x
  3. Step 3: Cross multiply
    141,770.35x = 212,659.62 × 53,006.90
  4. Step 4: Simplify right side
    141,770.35x = 11,272,427,743.03
  5. Step 5: Solve for x
    x = 11,272,427,743.03/141,770.35
  6. Step 6: Final answer
    x = 79,511.89

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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.