Home / 216,431.49-324,652.77-102,552.57

Finding the Fourth Proportional to 216,431.49, 324,652.77 and 102,552.57

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Solution

The fourth proportional to 216,431.49, 324,652.77 and 102,552.57 is: 153,831.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,431.49 : 324,652.77 = 102,552.57 : x
  2. Step 2: Convert to fraction form
    216,431.49/324,652.77 = 102,552.57/x
  3. Step 3: Cross multiply
    216,431.49x = 324,652.77 × 102,552.57
  4. Step 4: Simplify right side
    216,431.49x = 33,293,975,921.12
  5. Step 5: Solve for x
    x = 33,293,975,921.12/216,431.49
  6. Step 6: Final answer
    x = 153,831.48

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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.