Home / 106,360.32-146,668.80-74,519.04

Finding the Fourth Proportional to 106,360.32, 146,668.80 and 74,519.04

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Solution

The fourth proportional to 106,360.32, 146,668.80 and 74,519.04 is: 102,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,360.32 : 146,668.80 = 74,519.04 : x
  2. Step 2: Convert to fraction form
    106,360.32/146,668.80 = 74,519.04/x
  3. Step 3: Cross multiply
    106,360.32x = 146,668.80 × 74,519.04
  4. Step 4: Simplify right side
    106,360.32x = 10,929,618,173.95
  5. Step 5: Solve for x
    x = 10,929,618,173.95/106,360.32
  6. Step 6: Final answer
    x = 102,760.30

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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.