Home / 187,633.36-258,910.32-149,489.65

Finding the Fourth Proportional to 187,633.36, 258,910.32 and 149,489.65

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Solution

The fourth proportional to 187,633.36, 258,910.32 and 149,489.65 is: 206,276.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,633.36 : 258,910.32 = 149,489.65 : x
  2. Step 2: Convert to fraction form
    187,633.36/258,910.32 = 149,489.65/x
  3. Step 3: Cross multiply
    187,633.36x = 258,910.32 × 149,489.65
  4. Step 4: Simplify right side
    187,633.36x = 38,704,413,118.19
  5. Step 5: Solve for x
    x = 38,704,413,118.19/187,633.36
  6. Step 6: Final answer
    x = 206,276.82

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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.