Home / 146,530.20-219,212.10-127,025.40

Finding the Fourth Proportional to 146,530.20, 219,212.10 and 127,025.40

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Solution

The fourth proportional to 146,530.20, 219,212.10 and 127,025.40 is: 190,032.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,530.20 : 219,212.10 = 127,025.40 : x
  2. Step 2: Convert to fraction form
    146,530.20/219,212.10 = 127,025.40/x
  3. Step 3: Cross multiply
    146,530.20x = 219,212.10 × 127,025.40
  4. Step 4: Simplify right side
    146,530.20x = 27,845,504,687.34
  5. Step 5: Solve for x
    x = 27,845,504,687.34/146,530.20
  6. Step 6: Final answer
    x = 190,032.53

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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.