Home / 216,210.66-324,324.21-58,439.19

Finding the Fourth Proportional to 216,210.66, 324,324.21 and 58,439.19

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Solution

The fourth proportional to 216,210.66, 324,324.21 and 58,439.19 is: 87,661.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,210.66 : 324,324.21 = 58,439.19 : x
  2. Step 2: Convert to fraction form
    216,210.66/324,324.21 = 58,439.19/x
  3. Step 3: Cross multiply
    216,210.66x = 324,324.21 × 58,439.19
  4. Step 4: Simplify right side
    216,210.66x = 18,953,244,129.79
  5. Step 5: Solve for x
    x = 18,953,244,129.79/216,210.66
  6. Step 6: Final answer
    x = 87,661.01

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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.