Home / 104,212.20-143,862.43-69,816.16

Finding the Fourth Proportional to 104,212.20, 143,862.43 and 69,816.16

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Solution

The fourth proportional to 104,212.20, 143,862.43 and 69,816.16 is: 96,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,212.20 : 143,862.43 = 69,816.16 : x
  2. Step 2: Convert to fraction form
    104,212.20/143,862.43 = 69,816.16/x
  3. Step 3: Cross multiply
    104,212.20x = 143,862.43 × 69,816.16
  4. Step 4: Simplify right side
    104,212.20x = 10,043,922,081.79
  5. Step 5: Solve for x
    x = 10,043,922,081.79/104,212.20
  6. Step 6: Final answer
    x = 96,379.52

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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.