Home / 187,629.16-258,928.26-102,751.48

Finding the Fourth Proportional to 187,629.16, 258,928.26 and 102,751.48

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Solution

The fourth proportional to 187,629.16, 258,928.26 and 102,751.48 is: 141,797.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,629.16 : 258,928.26 = 102,751.48 : x
  2. Step 2: Convert to fraction form
    187,629.16/258,928.26 = 102,751.48/x
  3. Step 3: Cross multiply
    187,629.16x = 258,928.26 × 102,751.48
  4. Step 4: Simplify right side
    187,629.16x = 26,605,261,928.82
  5. Step 5: Solve for x
    x = 26,605,261,928.82/187,629.16
  6. Step 6: Final answer
    x = 141,797.05

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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.