Home / 236,723.72-355,146.63-68,257.28

Finding the Fourth Proportional to 236,723.72, 355,146.63 and 68,257.28

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Solution

The fourth proportional to 236,723.72, 355,146.63 and 68,257.28 is: 102,403.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,723.72 : 355,146.63 = 68,257.28 : x
  2. Step 2: Convert to fraction form
    236,723.72/355,146.63 = 68,257.28/x
  3. Step 3: Cross multiply
    236,723.72x = 355,146.63 × 68,257.28
  4. Step 4: Simplify right side
    236,723.72x = 24,241,343,596.87
  5. Step 5: Solve for x
    x = 24,241,343,596.87/236,723.72
  6. Step 6: Final answer
    x = 102,403.53

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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.