Home / 146,051.28-219,085.19-71,235.44

Finding the Fourth Proportional to 146,051.28, 219,085.19 and 71,235.44

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Solution

The fourth proportional to 146,051.28, 219,085.19 and 71,235.44 is: 106,857.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,051.28 : 219,085.19 = 71,235.44 : x
  2. Step 2: Convert to fraction form
    146,051.28/219,085.19 = 71,235.44/x
  3. Step 3: Cross multiply
    146,051.28x = 219,085.19 × 71,235.44
  4. Step 4: Simplify right side
    146,051.28x = 15,606,628,455.53
  5. Step 5: Solve for x
    x = 15,606,628,455.53/146,051.28
  6. Step 6: Final answer
    x = 106,857.18

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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.