Home / 187,813.72-259,182.36-107,266.48

Finding the Fourth Proportional to 187,813.72, 259,182.36 and 107,266.48

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Solution

The fourth proportional to 187,813.72, 259,182.36 and 107,266.48 is: 148,027.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,813.72 : 259,182.36 = 107,266.48 : x
  2. Step 2: Convert to fraction form
    187,813.72/259,182.36 = 107,266.48/x
  3. Step 3: Cross multiply
    187,813.72x = 259,182.36 × 107,266.48
  4. Step 4: Simplify right side
    187,813.72x = 27,801,579,435.29
  5. Step 5: Solve for x
    x = 27,801,579,435.29/187,813.72
  6. Step 6: Final answer
    x = 148,027.41

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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.