Home / 187,519.75-258,781.81-106,954.77

Finding the Fourth Proportional to 187,519.75, 258,781.81 and 106,954.77

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Solution

The fourth proportional to 187,519.75, 258,781.81 and 106,954.77 is: 147,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,519.75 : 258,781.81 = 106,954.77 : x
  2. Step 2: Convert to fraction form
    187,519.75/258,781.81 = 106,954.77/x
  3. Step 3: Cross multiply
    187,519.75x = 258,781.81 × 106,954.77
  4. Step 4: Simplify right side
    187,519.75x = 27,677,948,416.67
  5. Step 5: Solve for x
    x = 27,677,948,416.67/187,519.75
  6. Step 6: Final answer
    x = 147,600.18

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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.