Home / 146,530.70-219,212.85-127,025.90

Finding the Fourth Proportional to 146,530.70, 219,212.85 and 127,025.90

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Solution

The fourth proportional to 146,530.70, 219,212.85 and 127,025.90 is: 190,033.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,530.70 : 219,212.85 = 127,025.90 : x
  2. Step 2: Convert to fraction form
    146,530.70/219,212.85 = 127,025.90/x
  3. Step 3: Cross multiply
    146,530.70x = 219,212.85 × 127,025.90
  4. Step 4: Simplify right side
    146,530.70x = 27,845,709,562.82
  5. Step 5: Solve for x
    x = 27,845,709,562.82/146,530.70
  6. Step 6: Final answer
    x = 190,033.28

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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.