Home / 187,282.80-258,433.74-106,707.24

Finding the Fourth Proportional to 187,282.80, 258,433.74 and 106,707.24

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Solution

The fourth proportional to 187,282.80, 258,433.74 and 106,707.24 is: 147,246.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,282.80 : 258,433.74 = 106,707.24 : x
  2. Step 2: Convert to fraction form
    187,282.80/258,433.74 = 106,707.24/x
  3. Step 3: Cross multiply
    187,282.80x = 258,433.74 × 106,707.24
  4. Step 4: Simplify right side
    187,282.80x = 27,576,751,118.28
  5. Step 5: Solve for x
    x = 27,576,751,118.28/187,282.80
  6. Step 6: Final answer
    x = 147,246.58

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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.