Home / 155,640.39-233,553.43-80,759.94

Finding the Fourth Proportional to 155,640.39, 233,553.43 and 80,759.94

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Solution

The fourth proportional to 155,640.39, 233,553.43 and 80,759.94 is: 121,188.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,640.39 : 233,553.43 = 80,759.94 : x
  2. Step 2: Convert to fraction form
    155,640.39/233,553.43 = 80,759.94/x
  3. Step 3: Cross multiply
    155,640.39x = 233,553.43 × 80,759.94
  4. Step 4: Simplify right side
    155,640.39x = 18,861,759,764.44
  5. Step 5: Solve for x
    x = 18,861,759,764.44/155,640.39
  6. Step 6: Final answer
    x = 121,188.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.