Home / 147,799.50-203,968.35-80,735.82

Finding the Fourth Proportional to 147,799.50, 203,968.35 and 80,735.82

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Solution

The fourth proportional to 147,799.50, 203,968.35 and 80,735.82 is: 111,418.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,799.50 : 203,968.35 = 80,735.82 : x
  2. Step 2: Convert to fraction form
    147,799.50/203,968.35 = 80,735.82/x
  3. Step 3: Cross multiply
    147,799.50x = 203,968.35 × 80,735.82
  4. Step 4: Simplify right side
    147,799.50x = 16,467,551,991.30
  5. Step 5: Solve for x
    x = 16,467,551,991.30/147,799.50
  6. Step 6: Final answer
    x = 111,418.18

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1.5x scale

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.