Home / 144,100.44-198,861.66-79,569.50

Finding the Fourth Proportional to 144,100.44, 198,861.66 and 79,569.50

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Solution

The fourth proportional to 144,100.44, 198,861.66 and 79,569.50 is: 109,807.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,100.44 : 198,861.66 = 79,569.50 : x
  2. Step 2: Convert to fraction form
    144,100.44/198,861.66 = 79,569.50/x
  3. Step 3: Cross multiply
    144,100.44x = 198,861.66 × 79,569.50
  4. Step 4: Simplify right side
    144,100.44x = 15,823,321,861.06
  5. Step 5: Solve for x
    x = 15,823,321,861.06/144,100.44
  6. Step 6: Final answer
    x = 109,807.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.