Home / 217,533.45-326,315.72-91,046.41

Finding the Fourth Proportional to 217,533.45, 326,315.72 and 91,046.41

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Solution

The fourth proportional to 217,533.45, 326,315.72 and 91,046.41 is: 136,576.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,533.45 : 326,315.72 = 91,046.41 : x
  2. Step 2: Convert to fraction form
    217,533.45/326,315.72 = 91,046.41/x
  3. Step 3: Cross multiply
    217,533.45x = 326,315.72 × 91,046.41
  4. Step 4: Simplify right side
    217,533.45x = 29,709,874,832.57
  5. Step 5: Solve for x
    x = 29,709,874,832.57/217,533.45
  6. Step 6: Final answer
    x = 136,576.12

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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.