Home / 216,338.37-324,507.80-56,414.16

Finding the Fourth Proportional to 216,338.37, 324,507.80 and 56,414.16

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Solution

The fourth proportional to 216,338.37, 324,507.80 and 56,414.16 is: 84,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,338.37 : 324,507.80 = 56,414.16 : x
  2. Step 2: Convert to fraction form
    216,338.37/324,507.80 = 56,414.16/x
  3. Step 3: Cross multiply
    216,338.37x = 324,507.80 × 56,414.16
  4. Step 4: Simplify right side
    216,338.37x = 18,306,835,091.48
  5. Step 5: Solve for x
    x = 18,306,835,091.48/216,338.37
  6. Step 6: Final answer
    x = 84,621.31

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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.