Home / 187,388.43-258,554.59-114,806.65

Finding the Fourth Proportional to 187,388.43, 258,554.59 and 114,806.65

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Solution

The fourth proportional to 187,388.43, 258,554.59 and 114,806.65 is: 158,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,388.43 : 258,554.59 = 114,806.65 : x
  2. Step 2: Convert to fraction form
    187,388.43/258,554.59 = 114,806.65/x
  3. Step 3: Cross multiply
    187,388.43x = 258,554.59 × 114,806.65
  4. Step 4: Simplify right side
    187,388.43x = 29,683,786,320.02
  5. Step 5: Solve for x
    x = 29,683,786,320.02/187,388.43
  6. Step 6: Final answer
    x = 158,407.79

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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.