Home / 166,784.24-230,161.94-90,303.41

Finding the Fourth Proportional to 166,784.24, 230,161.94 and 90,303.41

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Solution

The fourth proportional to 166,784.24, 230,161.94 and 90,303.41 is: 124,618.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,784.24 : 230,161.94 = 90,303.41 : x
  2. Step 2: Convert to fraction form
    166,784.24/230,161.94 = 90,303.41/x
  3. Step 3: Cross multiply
    166,784.24x = 230,161.94 × 90,303.41
  4. Step 4: Simplify right side
    166,784.24x = 20,784,408,034.22
  5. Step 5: Solve for x
    x = 20,784,408,034.22/166,784.24
  6. Step 6: Final answer
    x = 124,618.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.