Home / 106,477.38-146,949.09-79,573.23

Finding the Fourth Proportional to 106,477.38, 146,949.09 and 79,573.23

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Solution

The fourth proportional to 106,477.38, 146,949.09 and 79,573.23 is: 109,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,477.38 : 146,949.09 = 79,573.23 : x
  2. Step 2: Convert to fraction form
    106,477.38/146,949.09 = 79,573.23/x
  3. Step 3: Cross multiply
    106,477.38x = 146,949.09 × 79,573.23
  4. Step 4: Simplify right side
    106,477.38x = 11,693,213,736.86
  5. Step 5: Solve for x
    x = 11,693,213,736.86/106,477.38
  6. Step 6: Final answer
    x = 109,818.76

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1.5x scale

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.