Home / 187,074.94-258,153.78-102,175.60

Finding the Fourth Proportional to 187,074.94, 258,153.78 and 102,175.60

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Solution

The fourth proportional to 187,074.94, 258,153.78 and 102,175.60 is: 140,997.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,074.94 : 258,153.78 = 102,175.60 : x
  2. Step 2: Convert to fraction form
    187,074.94/258,153.78 = 102,175.60/x
  3. Step 3: Cross multiply
    187,074.94x = 258,153.78 × 102,175.60
  4. Step 4: Simplify right side
    187,074.94x = 26,377,017,363.77
  5. Step 5: Solve for x
    x = 26,377,017,363.77/187,074.94
  6. Step 6: Final answer
    x = 140,997.06

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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.