Home / 216,407.06-324,627.33-72,313.37

Finding the Fourth Proportional to 216,407.06, 324,627.33 and 72,313.37

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Solution

The fourth proportional to 216,407.06, 324,627.33 and 72,313.37 is: 108,475.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,407.06 : 324,627.33 = 72,313.37 : x
  2. Step 2: Convert to fraction form
    216,407.06/324,627.33 = 72,313.37/x
  3. Step 3: Cross multiply
    216,407.06x = 324,627.33 × 72,313.37
  4. Step 4: Simplify right side
    216,407.06x = 23,474,894,603.27
  5. Step 5: Solve for x
    x = 23,474,894,603.27/216,407.06
  6. Step 6: Final answer
    x = 108,475.64

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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.