Home / 146,586.43-202,289.66-79,518.43

Finding the Fourth Proportional to 146,586.43, 202,289.66 and 79,518.43

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Solution

The fourth proportional to 146,586.43, 202,289.66 and 79,518.43 is: 109,735.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,586.43 : 202,289.66 = 79,518.43 : x
  2. Step 2: Convert to fraction form
    146,586.43/202,289.66 = 79,518.43/x
  3. Step 3: Cross multiply
    146,586.43x = 202,289.66 × 79,518.43
  4. Step 4: Simplify right side
    146,586.43x = 16,085,755,563.31
  5. Step 5: Solve for x
    x = 16,085,755,563.31/146,586.43
  6. Step 6: Final answer
    x = 109,735.64

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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.