Home / 380,260.20-570,553.38-180,721.56

Finding the Fourth Proportional to 380,260.20, 570,553.38 and 180,721.56

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Solution

The fourth proportional to 380,260.20, 570,553.38 and 180,721.56 is: 271,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,260.20 : 570,553.38 = 180,721.56 : x
  2. Step 2: Convert to fraction form
    380,260.20/570,553.38 = 180,721.56/x
  3. Step 3: Cross multiply
    380,260.20x = 570,553.38 × 180,721.56
  4. Step 4: Simplify right side
    380,260.20x = 103,111,296,896.87
  5. Step 5: Solve for x
    x = 103,111,296,896.87/380,260.20
  6. Step 6: Final answer
    x = 271,159.85

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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.