Home / 106,493.28-146,967.44-61,185.76

Finding the Fourth Proportional to 106,493.28, 146,967.44 and 61,185.76

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Solution

The fourth proportional to 106,493.28, 146,967.44 and 61,185.76 is: 84,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,493.28 : 146,967.44 = 61,185.76 : x
  2. Step 2: Convert to fraction form
    106,493.28/146,967.44 = 61,185.76/x
  3. Step 3: Cross multiply
    106,493.28x = 146,967.44 × 61,185.76
  4. Step 4: Simplify right side
    106,493.28x = 8,992,314,511.65
  5. Step 5: Solve for x
    x = 8,992,314,511.65/106,493.28
  6. Step 6: Final answer
    x = 84,440.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.