Home / 187,128.45-258,252.57-106,581.24

Finding the Fourth Proportional to 187,128.45, 258,252.57 and 106,581.24

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Solution

The fourth proportional to 187,128.45, 258,252.57 and 106,581.24 is: 147,090.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,128.45 : 258,252.57 = 106,581.24 : x
  2. Step 2: Convert to fraction form
    187,128.45/258,252.57 = 106,581.24/x
  3. Step 3: Cross multiply
    187,128.45x = 258,252.57 × 106,581.24
  4. Step 4: Simplify right side
    187,128.45x = 27,524,879,143.79
  5. Step 5: Solve for x
    x = 27,524,879,143.79/187,128.45
  6. Step 6: Final answer
    x = 147,090.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.