Home / 202,319.44-279,206.60-111,680.72

Finding the Fourth Proportional to 202,319.44, 279,206.60 and 111,680.72

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Solution

The fourth proportional to 202,319.44, 279,206.60 and 111,680.72 is: 154,122.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,319.44 : 279,206.60 = 111,680.72 : x
  2. Step 2: Convert to fraction form
    202,319.44/279,206.60 = 111,680.72/x
  3. Step 3: Cross multiply
    202,319.44x = 279,206.60 × 111,680.72
  4. Step 4: Simplify right side
    202,319.44x = 31,181,994,116.75
  5. Step 5: Solve for x
    x = 31,181,994,116.75/202,319.44
  6. Step 6: Final answer
    x = 154,122.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.