Home / 216,205.43-324,316.34-58,433.93

Finding the Fourth Proportional to 216,205.43, 324,316.34 and 58,433.93

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Solution

The fourth proportional to 216,205.43, 324,316.34 and 58,433.93 is: 87,653.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,205.43 : 324,316.34 = 58,433.93 : x
  2. Step 2: Convert to fraction form
    216,205.43/324,316.34 = 58,433.93/x
  3. Step 3: Cross multiply
    216,205.43x = 324,316.34 × 58,433.93
  4. Step 4: Simplify right side
    216,205.43x = 18,951,076,395.66
  5. Step 5: Solve for x
    x = 18,951,076,395.66/216,205.43
  6. Step 6: Final answer
    x = 87,653.10

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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.