Home / 141,861.31-212,783.77-51,964.68

Finding the Fourth Proportional to 141,861.31, 212,783.77 and 51,964.68

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Solution

The fourth proportional to 141,861.31, 212,783.77 and 51,964.68 is: 77,944.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,861.31 : 212,783.77 = 51,964.68 : x
  2. Step 2: Convert to fraction form
    141,861.31/212,783.77 = 51,964.68/x
  3. Step 3: Cross multiply
    141,861.31x = 212,783.77 × 51,964.68
  4. Step 4: Simplify right side
    141,861.31x = 11,057,240,037.08
  5. Step 5: Solve for x
    x = 11,057,240,037.08/141,861.31
  6. Step 6: Final answer
    x = 77,944.01

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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.