Home / 217,589.02-326,383.02-122,776.16

Finding the Fourth Proportional to 217,589.02, 326,383.02 and 122,776.16

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Solution

The fourth proportional to 217,589.02, 326,383.02 and 122,776.16 is: 184,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,589.02 : 326,383.02 = 122,776.16 : x
  2. Step 2: Convert to fraction form
    217,589.02/326,383.02 = 122,776.16/x
  3. Step 3: Cross multiply
    217,589.02x = 326,383.02 × 122,776.16
  4. Step 4: Simplify right side
    217,589.02x = 40,072,052,252.89
  5. Step 5: Solve for x
    x = 40,072,052,252.89/217,589.02
  6. Step 6: Final answer
    x = 184,163.95

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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.