Home / 147,818.14-203,989.01-79,835.11

Finding the Fourth Proportional to 147,818.14, 203,989.01 and 79,835.11

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Solution

The fourth proportional to 147,818.14, 203,989.01 and 79,835.11 is: 110,172.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,818.14 : 203,989.01 = 79,835.11 : x
  2. Step 2: Convert to fraction form
    147,818.14/203,989.01 = 79,835.11/x
  3. Step 3: Cross multiply
    147,818.14x = 203,989.01 × 79,835.11
  4. Step 4: Simplify right side
    147,818.14x = 16,285,485,052.14
  5. Step 5: Solve for x
    x = 16,285,485,052.14/147,818.14
  6. Step 6: Final answer
    x = 110,172.44

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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.