Home / 187,099.26-280,615.08-53,946.78

Finding the Fourth Proportional to 187,099.26, 280,615.08 and 53,946.78

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Solution

The fourth proportional to 187,099.26, 280,615.08 and 53,946.78 is: 80,910.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,099.26 : 280,615.08 = 53,946.78 : x
  2. Step 2: Convert to fraction form
    187,099.26/280,615.08 = 53,946.78/x
  3. Step 3: Cross multiply
    187,099.26x = 280,615.08 × 53,946.78
  4. Step 4: Simplify right side
    187,099.26x = 15,138,279,985.44
  5. Step 5: Solve for x
    x = 15,138,279,985.44/187,099.26
  6. Step 6: Final answer
    x = 80,910.42

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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.