Home / 135,929.30-203,699.55-100,111.10

Finding the Fourth Proportional to 135,929.30, 203,699.55 and 100,111.10

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Solution

The fourth proportional to 135,929.30, 203,699.55 and 100,111.10 is: 150,023.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,929.30 : 203,699.55 = 100,111.10 : x
  2. Step 2: Convert to fraction form
    135,929.30/203,699.55 = 100,111.10/x
  3. Step 3: Cross multiply
    135,929.30x = 203,699.55 × 100,111.10
  4. Step 4: Simplify right side
    135,929.30x = 20,392,586,020.01
  5. Step 5: Solve for x
    x = 20,392,586,020.01/135,929.30
  6. Step 6: Final answer
    x = 150,023.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.