Home / 202,429.08-303,686.42-76,070.43

Finding the Fourth Proportional to 202,429.08, 303,686.42 and 76,070.43

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Solution

The fourth proportional to 202,429.08, 303,686.42 and 76,070.43 is: 114,121.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,429.08 : 303,686.42 = 76,070.43 : x
  2. Step 2: Convert to fraction form
    202,429.08/303,686.42 = 76,070.43/x
  3. Step 3: Cross multiply
    202,429.08x = 303,686.42 × 76,070.43
  4. Step 4: Simplify right side
    202,429.08x = 23,101,556,174.21
  5. Step 5: Solve for x
    x = 23,101,556,174.21/202,429.08
  6. Step 6: Final answer
    x = 114,121.73

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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.