Home / 140,698.75-211,047.73-108,724.35

Finding the Fourth Proportional to 140,698.75, 211,047.73 and 108,724.35

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Solution

The fourth proportional to 140,698.75, 211,047.73 and 108,724.35 is: 163,086.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,698.75 : 211,047.73 = 108,724.35 : x
  2. Step 2: Convert to fraction form
    140,698.75/211,047.73 = 108,724.35/x
  3. Step 3: Cross multiply
    140,698.75x = 211,047.73 × 108,724.35
  4. Step 4: Simplify right side
    140,698.75x = 22,946,027,189.27
  5. Step 5: Solve for x
    x = 22,946,027,189.27/140,698.75
  6. Step 6: Final answer
    x = 163,086.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.