Home / 187,235.65-258,386.91-106,661.98

Finding the Fourth Proportional to 187,235.65, 258,386.91 and 106,661.98

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Solution

The fourth proportional to 187,235.65, 258,386.91 and 106,661.98 is: 147,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,235.65 : 258,386.91 = 106,661.98 : x
  2. Step 2: Convert to fraction form
    187,235.65/258,386.91 = 106,661.98/x
  3. Step 3: Cross multiply
    187,235.65x = 258,386.91 × 106,661.98
  4. Step 4: Simplify right side
    187,235.65x = 27,560,058,134.75
  5. Step 5: Solve for x
    x = 27,560,058,134.75/187,235.65
  6. Step 6: Final answer
    x = 147,194.51

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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.