Home / 178,219.70-245,933.78-101,735.75

Finding the Fourth Proportional to 178,219.70, 245,933.78 and 101,735.75

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Solution

The fourth proportional to 178,219.70, 245,933.78 and 101,735.75 is: 140,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,219.70 : 245,933.78 = 101,735.75 : x
  2. Step 2: Convert to fraction form
    178,219.70/245,933.78 = 101,735.75/x
  3. Step 3: Cross multiply
    178,219.70x = 245,933.78 × 101,735.75
  4. Step 4: Simplify right side
    178,219.70x = 25,020,257,558.64
  5. Step 5: Solve for x
    x = 25,020,257,558.64/178,219.70
  6. Step 6: Final answer
    x = 140,389.97

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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.