Home / 147,169.96-203,093.70-80,100.52

Finding the Fourth Proportional to 147,169.96, 203,093.70 and 80,100.52

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Solution

The fourth proportional to 147,169.96, 203,093.70 and 80,100.52 is: 110,538.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,169.96 : 203,093.70 = 80,100.52 : x
  2. Step 2: Convert to fraction form
    147,169.96/203,093.70 = 80,100.52/x
  3. Step 3: Cross multiply
    147,169.96x = 203,093.70 × 80,100.52
  4. Step 4: Simplify right side
    147,169.96x = 16,267,910,978.72
  5. Step 5: Solve for x
    x = 16,267,910,978.72/147,169.96
  6. Step 6: Final answer
    x = 110,538.26

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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.