Home / 187,249.37-258,385.57-106,672.10

Finding the Fourth Proportional to 187,249.37, 258,385.57 and 106,672.10

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Solution

The fourth proportional to 187,249.37, 258,385.57 and 106,672.10 is: 147,196.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,249.37 : 258,385.57 = 106,672.10 : x
  2. Step 2: Convert to fraction form
    187,249.37/258,385.57 = 106,672.10/x
  3. Step 3: Cross multiply
    187,249.37x = 258,385.57 × 106,672.10
  4. Step 4: Simplify right side
    187,249.37x = 27,562,529,802.99
  5. Step 5: Solve for x
    x = 27,562,529,802.99/187,249.37
  6. Step 6: Final answer
    x = 147,196.91

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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.