Home / 187,097.47-280,450.18-87,175.27

Finding the Fourth Proportional to 187,097.47, 280,450.18 and 87,175.27

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Solution

The fourth proportional to 187,097.47, 280,450.18 and 87,175.27 is: 130,671.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,097.47 : 280,450.18 = 87,175.27 : x
  2. Step 2: Convert to fraction form
    187,097.47/280,450.18 = 87,175.27/x
  3. Step 3: Cross multiply
    187,097.47x = 280,450.18 × 87,175.27
  4. Step 4: Simplify right side
    187,097.47x = 24,448,320,163.05
  5. Step 5: Solve for x
    x = 24,448,320,163.05/187,097.47
  6. Step 6: Final answer
    x = 130,671.57

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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.