Home / 187,766.82-259,118.21-112,315.32

Finding the Fourth Proportional to 187,766.82, 259,118.21 and 112,315.32

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Solution

The fourth proportional to 187,766.82, 259,118.21 and 112,315.32 is: 154,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,766.82 : 259,118.21 = 112,315.32 : x
  2. Step 2: Convert to fraction form
    187,766.82/259,118.21 = 112,315.32/x
  3. Step 3: Cross multiply
    187,766.82x = 259,118.21 × 112,315.32
  4. Step 4: Simplify right side
    187,766.82x = 29,102,944,112.40
  5. Step 5: Solve for x
    x = 29,102,944,112.40/187,766.82
  6. Step 6: Final answer
    x = 154,995.14

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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.