Home / 134,631.09-185,661.39-88,608.51

Finding the Fourth Proportional to 134,631.09, 185,661.39 and 88,608.51

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Solution

The fourth proportional to 134,631.09, 185,661.39 and 88,608.51 is: 122,194.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,631.09 : 185,661.39 = 88,608.51 : x
  2. Step 2: Convert to fraction form
    134,631.09/185,661.39 = 88,608.51/x
  3. Step 3: Cross multiply
    134,631.09x = 185,661.39 × 88,608.51
  4. Step 4: Simplify right side
    134,631.09x = 16,451,179,132.43
  5. Step 5: Solve for x
    x = 16,451,179,132.43/134,631.09
  6. Step 6: Final answer
    x = 122,194.50

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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.