Home / 209,464.10-289,066.62-113,976.98

Finding the Fourth Proportional to 209,464.10, 289,066.62 and 113,976.98

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Solution

The fourth proportional to 209,464.10, 289,066.62 and 113,976.98 is: 157,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,464.10 : 289,066.62 = 113,976.98 : x
  2. Step 2: Convert to fraction form
    209,464.10/289,066.62 = 113,976.98/x
  3. Step 3: Cross multiply
    209,464.10x = 289,066.62 × 113,976.98
  4. Step 4: Simplify right side
    209,464.10x = 32,946,940,366.41
  5. Step 5: Solve for x
    x = 32,946,940,366.41/209,464.10
  6. Step 6: Final answer
    x = 157,291.59

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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.