Home / 187,883.75-259,279.59-103,001.42

Finding the Fourth Proportional to 187,883.75, 259,279.59 and 103,001.42

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Solution

The fourth proportional to 187,883.75, 259,279.59 and 103,001.42 is: 142,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,883.75 : 259,279.59 = 103,001.42 : x
  2. Step 2: Convert to fraction form
    187,883.75/259,279.59 = 103,001.42/x
  3. Step 3: Cross multiply
    187,883.75x = 259,279.59 × 103,001.42
  4. Step 4: Simplify right side
    187,883.75x = 26,706,165,947.02
  5. Step 5: Solve for x
    x = 26,706,165,947.02/187,883.75
  6. Step 6: Final answer
    x = 142,141.97

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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.