Home / 202,005.72-278,768.94-117,172.92

Finding the Fourth Proportional to 202,005.72, 278,768.94 and 117,172.92

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Solution

The fourth proportional to 202,005.72, 278,768.94 and 117,172.92 is: 161,699.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,005.72 : 278,768.94 = 117,172.92 : x
  2. Step 2: Convert to fraction form
    202,005.72/278,768.94 = 117,172.92/x
  3. Step 3: Cross multiply
    202,005.72x = 278,768.94 × 117,172.92
  4. Step 4: Simplify right side
    202,005.72x = 32,664,170,705.10
  5. Step 5: Solve for x
    x = 32,664,170,705.10/202,005.72
  6. Step 6: Final answer
    x = 161,699.24

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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.