Home / 187,863.46-259,242.18-106,189.94

Finding the Fourth Proportional to 187,863.46, 259,242.18 and 106,189.94

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Solution

The fourth proportional to 187,863.46, 259,242.18 and 106,189.94 is: 146,536.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,863.46 : 259,242.18 = 106,189.94 : x
  2. Step 2: Convert to fraction form
    187,863.46/259,242.18 = 106,189.94/x
  3. Step 3: Cross multiply
    187,863.46x = 259,242.18 × 106,189.94
  4. Step 4: Simplify right side
    187,863.46x = 27,528,911,539.67
  5. Step 5: Solve for x
    x = 27,528,911,539.67/187,863.46
  6. Step 6: Final answer
    x = 146,536.81

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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.