Home / 217,601.22-326,494.70-122,902.50

Finding the Fourth Proportional to 217,601.22, 326,494.70 and 122,902.50

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Solution

The fourth proportional to 217,601.22, 326,494.70 and 122,902.50 is: 184,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,601.22 : 326,494.70 = 122,902.50 : x
  2. Step 2: Convert to fraction form
    217,601.22/326,494.70 = 122,902.50/x
  3. Step 3: Cross multiply
    217,601.22x = 326,494.70 × 122,902.50
  4. Step 4: Simplify right side
    217,601.22x = 40,127,014,866.75
  5. Step 5: Solve for x
    x = 40,127,014,866.75/217,601.22
  6. Step 6: Final answer
    x = 184,406.20

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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.