Home / 147,168.08-203,109.24-82,647.92

Finding the Fourth Proportional to 147,168.08, 203,109.24 and 82,647.92

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Solution

The fourth proportional to 147,168.08, 203,109.24 and 82,647.92 is: 114,063.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,168.08 : 203,109.24 = 82,647.92 : x
  2. Step 2: Convert to fraction form
    147,168.08/203,109.24 = 82,647.92/x
  3. Step 3: Cross multiply
    147,168.08x = 203,109.24 × 82,647.92
  4. Step 4: Simplify right side
    147,168.08x = 16,786,556,218.78
  5. Step 5: Solve for x
    x = 16,786,556,218.78/147,168.08
  6. Step 6: Final answer
    x = 114,063.84

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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.