Home / 217,576.52-326,364.33-122,763.66

Finding the Fourth Proportional to 217,576.52, 326,364.33 and 122,763.66

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Solution

The fourth proportional to 217,576.52, 326,364.33 and 122,763.66 is: 184,145.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,576.52 : 326,364.33 = 122,763.66 : x
  2. Step 2: Convert to fraction form
    217,576.52/326,364.33 = 122,763.66/x
  3. Step 3: Cross multiply
    217,576.52x = 326,364.33 × 122,763.66
  4. Step 4: Simplify right side
    217,576.52x = 40,065,679,644.25
  5. Step 5: Solve for x
    x = 40,065,679,644.25/217,576.52
  6. Step 6: Final answer
    x = 184,145.24

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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.