Home / 380,553.12-570,784.32-100,092.24

Finding the Fourth Proportional to 380,553.12, 570,784.32 and 100,092.24

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Solution

The fourth proportional to 380,553.12, 570,784.32 and 100,092.24 is: 150,126.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,553.12 : 570,784.32 = 100,092.24 : x
  2. Step 2: Convert to fraction form
    380,553.12/570,784.32 = 100,092.24/x
  3. Step 3: Cross multiply
    380,553.12x = 570,784.32 × 100,092.24
  4. Step 4: Simplify right side
    380,553.12x = 57,131,081,145.68
  5. Step 5: Solve for x
    x = 57,131,081,145.68/380,553.12
  6. Step 6: Final answer
    x = 150,126.43

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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.