Home / 187,265.36-258,426.44-106,689.36

Finding the Fourth Proportional to 187,265.36, 258,426.44 and 106,689.36

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Solution

The fourth proportional to 187,265.36, 258,426.44 and 106,689.36 is: 147,231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,265.36 : 258,426.44 = 106,689.36 : x
  2. Step 2: Convert to fraction form
    187,265.36/258,426.44 = 106,689.36/x
  3. Step 3: Cross multiply
    187,265.36x = 258,426.44 × 106,689.36
  4. Step 4: Simplify right side
    187,265.36x = 27,571,351,490.68
  5. Step 5: Solve for x
    x = 27,571,351,490.68/187,265.36
  6. Step 6: Final answer
    x = 147,231.46

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1.5x scale

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.