Home / 141,861.82-212,784.52-51,965.18

Finding the Fourth Proportional to 141,861.82, 212,784.52 and 51,965.18

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Solution

The fourth proportional to 141,861.82, 212,784.52 and 51,965.18 is: 77,944.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,861.82 : 212,784.52 = 51,965.18 : x
  2. Step 2: Convert to fraction form
    141,861.82/212,784.52 = 51,965.18/x
  3. Step 3: Cross multiply
    141,861.82x = 212,784.52 × 51,965.18
  4. Step 4: Simplify right side
    141,861.82x = 11,057,385,883.01
  5. Step 5: Solve for x
    x = 11,057,385,883.01/141,861.82
  6. Step 6: Final answer
    x = 77,944.77

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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.