Home / 146,431.04-219,585.71-71,529.44

Finding the Fourth Proportional to 146,431.04, 219,585.71 and 71,529.44

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Solution

The fourth proportional to 146,431.04, 219,585.71 and 71,529.44 is: 107,264.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,431.04 : 219,585.71 = 71,529.44 : x
  2. Step 2: Convert to fraction form
    146,431.04/219,585.71 = 71,529.44/x
  3. Step 3: Cross multiply
    146,431.04x = 219,585.71 × 71,529.44
  4. Step 4: Simplify right side
    146,431.04x = 15,706,841,949.20
  5. Step 5: Solve for x
    x = 15,706,841,949.20/146,431.04
  6. Step 6: Final answer
    x = 107,264.43

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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.