Home / 187,914.60-259,334.14-124,140.60

Finding the Fourth Proportional to 187,914.60, 259,334.14 and 124,140.60

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Solution

The fourth proportional to 187,914.60, 259,334.14 and 124,140.60 is: 171,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,914.60 : 259,334.14 = 124,140.60 : x
  2. Step 2: Convert to fraction form
    187,914.60/259,334.14 = 124,140.60/x
  3. Step 3: Cross multiply
    187,914.60x = 259,334.14 × 124,140.60
  4. Step 4: Simplify right side
    187,914.60x = 32,193,895,740.08
  5. Step 5: Solve for x
    x = 32,193,895,740.08/187,914.60
  6. Step 6: Final answer
    x = 171,321.95

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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.