Home / 187,542.27-258,808.77-102,664.80

Finding the Fourth Proportional to 187,542.27, 258,808.77 and 102,664.80

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Solution

The fourth proportional to 187,542.27, 258,808.77 and 102,664.80 is: 141,677.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,542.27 : 258,808.77 = 102,664.80 : x
  2. Step 2: Convert to fraction form
    187,542.27/258,808.77 = 102,664.80/x
  3. Step 3: Cross multiply
    187,542.27x = 258,808.77 × 102,664.80
  4. Step 4: Simplify right side
    187,542.27x = 26,570,550,610.30
  5. Step 5: Solve for x
    x = 26,570,550,610.30/187,542.27
  6. Step 6: Final answer
    x = 141,677.66

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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.