Home / 134,600.64-185,761.96-100,550.01

Finding the Fourth Proportional to 134,600.64, 185,761.96 and 100,550.01

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Solution

The fourth proportional to 134,600.64, 185,761.96 and 100,550.01 is: 138,768.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,600.64 : 185,761.96 = 100,550.01 : x
  2. Step 2: Convert to fraction form
    134,600.64/185,761.96 = 100,550.01/x
  3. Step 3: Cross multiply
    134,600.64x = 185,761.96 × 100,550.01
  4. Step 4: Simplify right side
    134,600.64x = 18,678,366,335.94
  5. Step 5: Solve for x
    x = 18,678,366,335.94/134,600.64
  6. Step 6: Final answer
    x = 138,768.78

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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.