Home / 144,619.28-199,568.76-84,191.66

Finding the Fourth Proportional to 144,619.28, 199,568.76 and 84,191.66

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Solution

The fourth proportional to 144,619.28, 199,568.76 and 84,191.66 is: 116,181.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,619.28 : 199,568.76 = 84,191.66 : x
  2. Step 2: Convert to fraction form
    144,619.28/199,568.76 = 84,191.66/x
  3. Step 3: Cross multiply
    144,619.28x = 199,568.76 × 84,191.66
  4. Step 4: Simplify right side
    144,619.28x = 16,802,024,190.70
  5. Step 5: Solve for x
    x = 16,802,024,190.70/144,619.28
  6. Step 6: Final answer
    x = 116,181.08

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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.