Home / 187,947.19-259,367.16-103,066.03

Finding the Fourth Proportional to 187,947.19, 259,367.16 and 103,066.03

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Solution

The fourth proportional to 187,947.19, 259,367.16 and 103,066.03 is: 142,231.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,947.19 : 259,367.16 = 103,066.03 : x
  2. Step 2: Convert to fraction form
    187,947.19/259,367.16 = 103,066.03/x
  3. Step 3: Cross multiply
    187,947.19x = 259,367.16 × 103,066.03
  4. Step 4: Simplify right side
    187,947.19x = 26,731,943,493.57
  5. Step 5: Solve for x
    x = 26,731,943,493.57/187,947.19
  6. Step 6: Final answer
    x = 142,231.14

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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.