Home / 118,463.82-163,374.21-98,288.75

Finding the Fourth Proportional to 118,463.82, 163,374.21 and 98,288.75

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Solution

The fourth proportional to 118,463.82, 163,374.21 and 98,288.75 is: 135,550.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,463.82 : 163,374.21 = 98,288.75 : x
  2. Step 2: Convert to fraction form
    118,463.82/163,374.21 = 98,288.75/x
  3. Step 3: Cross multiply
    118,463.82x = 163,374.21 × 98,288.75
  4. Step 4: Simplify right side
    118,463.82x = 16,057,846,066.27
  5. Step 5: Solve for x
    x = 16,057,846,066.27/118,463.82
  6. Step 6: Final answer
    x = 135,550.64

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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.