Home / 147,022.50-202,891.78-79,954.50

Finding the Fourth Proportional to 147,022.50, 202,891.78 and 79,954.50

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Solution

The fourth proportional to 147,022.50, 202,891.78 and 79,954.50 is: 110,337.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,022.50 : 202,891.78 = 79,954.50 : x
  2. Step 2: Convert to fraction form
    147,022.50/202,891.78 = 79,954.50/x
  3. Step 3: Cross multiply
    147,022.50x = 202,891.78 × 79,954.50
  4. Step 4: Simplify right side
    147,022.50x = 16,222,110,824.01
  5. Step 5: Solve for x
    x = 16,222,110,824.01/147,022.50
  6. Step 6: Final answer
    x = 110,337.61

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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.