Home / 143,926.67-215,783.37-68,975.44

Finding the Fourth Proportional to 143,926.67, 215,783.37 and 68,975.44

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Solution

The fourth proportional to 143,926.67, 215,783.37 and 68,975.44 is: 103,412.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,926.67 : 215,783.37 = 68,975.44 : x
  2. Step 2: Convert to fraction form
    143,926.67/215,783.37 = 68,975.44/x
  3. Step 3: Cross multiply
    143,926.67x = 215,783.37 × 68,975.44
  4. Step 4: Simplify right side
    143,926.67x = 14,883,752,350.97
  5. Step 5: Solve for x
    x = 14,883,752,350.97/143,926.67
  6. Step 6: Final answer
    x = 103,412.05

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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.