Home / 202,105.08-302,763.78-123,023.16

Finding the Fourth Proportional to 202,105.08, 302,763.78 and 123,023.16

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Solution

The fourth proportional to 202,105.08, 302,763.78 and 123,023.16 is: 184,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,105.08 : 302,763.78 = 123,023.16 : x
  2. Step 2: Convert to fraction form
    202,105.08/302,763.78 = 123,023.16/x
  3. Step 3: Cross multiply
    202,105.08x = 302,763.78 × 123,023.16
  4. Step 4: Simplify right side
    202,105.08x = 37,246,956,949.14
  5. Step 5: Solve for x
    x = 37,246,956,949.14/202,105.08
  6. Step 6: Final answer
    x = 184,295.01

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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.