Home / 187,228.22-258,356.67-106,649.42

Finding the Fourth Proportional to 187,228.22, 258,356.67 and 106,649.42

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Solution

The fourth proportional to 187,228.22, 258,356.67 and 106,649.42 is: 147,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,228.22 : 258,356.67 = 106,649.42 : x
  2. Step 2: Convert to fraction form
    187,228.22/258,356.67 = 106,649.42/x
  3. Step 3: Cross multiply
    187,228.22x = 258,356.67 × 106,649.42
  4. Step 4: Simplify right side
    187,228.22x = 27,553,589,008.63
  5. Step 5: Solve for x
    x = 27,553,589,008.63/187,228.22
  6. Step 6: Final answer
    x = 147,165.79

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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.