Home / 106,399.72-146,841.95-79,495.52

Finding the Fourth Proportional to 106,399.72, 146,841.95 and 79,495.52

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Solution

The fourth proportional to 106,399.72, 146,841.95 and 79,495.52 is: 109,711.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,399.72 : 146,841.95 = 79,495.52 : x
  2. Step 2: Convert to fraction form
    106,399.72/146,841.95 = 79,495.52/x
  3. Step 3: Cross multiply
    106,399.72x = 146,841.95 × 79,495.52
  4. Step 4: Simplify right side
    106,399.72x = 11,673,277,173.06
  5. Step 5: Solve for x
    x = 11,673,277,173.06/106,399.72
  6. Step 6: Final answer
    x = 109,711.54

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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.