Home / 187,860.94-259,249.01-112,409.44

Finding the Fourth Proportional to 187,860.94, 259,249.01 and 112,409.44

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Solution

The fourth proportional to 187,860.94, 259,249.01 and 112,409.44 is: 155,125.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,860.94 : 259,249.01 = 112,409.44 : x
  2. Step 2: Convert to fraction form
    187,860.94/259,249.01 = 112,409.44/x
  3. Step 3: Cross multiply
    187,860.94x = 259,249.01 × 112,409.44
  4. Step 4: Simplify right side
    187,860.94x = 29,142,034,824.48
  5. Step 5: Solve for x
    x = 29,142,034,824.48/187,860.94
  6. Step 6: Final answer
    x = 155,125.57

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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.