Home / 216,550.22-324,821.70-64,747.64

Finding the Fourth Proportional to 216,550.22, 324,821.70 and 64,747.64

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Solution

The fourth proportional to 216,550.22, 324,821.70 and 64,747.64 is: 97,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,550.22 : 324,821.70 = 64,747.64 : x
  2. Step 2: Convert to fraction form
    216,550.22/324,821.70 = 64,747.64/x
  3. Step 3: Cross multiply
    216,550.22x = 324,821.70 × 64,747.64
  4. Step 4: Simplify right side
    216,550.22x = 21,031,438,495.79
  5. Step 5: Solve for x
    x = 21,031,438,495.79/216,550.22
  6. Step 6: Final answer
    x = 97,120.37

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1.5x scale

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.