Home / 187,994.44-259,448.96-103,128.04

Finding the Fourth Proportional to 187,994.44, 259,448.96 and 103,128.04

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Solution

The fourth proportional to 187,994.44, 259,448.96 and 103,128.04 is: 142,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,994.44 : 259,448.96 = 103,128.04 : x
  2. Step 2: Convert to fraction form
    187,994.44/259,448.96 = 103,128.04/x
  3. Step 3: Cross multiply
    187,994.44x = 259,448.96 × 103,128.04
  4. Step 4: Simplify right side
    187,994.44x = 26,756,462,724.84
  5. Step 5: Solve for x
    x = 26,756,462,724.84/187,994.44
  6. Step 6: Final answer
    x = 142,325.82

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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.