Home / 187,600.86-258,865.47-149,457.15

Finding the Fourth Proportional to 187,600.86, 258,865.47 and 149,457.15

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Solution

The fourth proportional to 187,600.86, 258,865.47 and 149,457.15 is: 206,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,600.86 : 258,865.47 = 149,457.15 : x
  2. Step 2: Convert to fraction form
    187,600.86/258,865.47 = 149,457.15/x
  3. Step 3: Cross multiply
    187,600.86x = 258,865.47 × 149,457.15
  4. Step 4: Simplify right side
    187,600.86x = 38,689,295,379.61
  5. Step 5: Solve for x
    x = 38,689,295,379.61/187,600.86
  6. Step 6: Final answer
    x = 206,231.97

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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.