Home / 187,020.26-280,945.58-115,995.40

Finding the Fourth Proportional to 187,020.26, 280,945.58 and 115,995.40

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Solution

The fourth proportional to 187,020.26, 280,945.58 and 115,995.40 is: 174,250.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,020.26 : 280,945.58 = 115,995.40 : x
  2. Step 2: Convert to fraction form
    187,020.26/280,945.58 = 115,995.40/x
  3. Step 3: Cross multiply
    187,020.26x = 280,945.58 × 115,995.40
  4. Step 4: Simplify right side
    187,020.26x = 32,588,394,930.33
  5. Step 5: Solve for x
    x = 32,588,394,930.33/187,020.26
  6. Step 6: Final answer
    x = 174,250.61

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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.