Home / 187,880.32-259,276.96-107,318.48

Finding the Fourth Proportional to 187,880.32, 259,276.96 and 107,318.48

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Solution

The fourth proportional to 187,880.32, 259,276.96 and 107,318.48 is: 148,100.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,880.32 : 259,276.96 = 107,318.48 : x
  2. Step 2: Convert to fraction form
    187,880.32/259,276.96 = 107,318.48/x
  3. Step 3: Cross multiply
    187,880.32x = 259,276.96 × 107,318.48
  4. Step 4: Simplify right side
    187,880.32x = 27,825,209,246.22
  5. Step 5: Solve for x
    x = 27,825,209,246.22/187,880.32
  6. Step 6: Final answer
    x = 148,100.71

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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.