Home / 166,823.24-230,216.19-90,342.93

Finding the Fourth Proportional to 166,823.24, 230,216.19 and 90,342.93

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Solution

The fourth proportional to 166,823.24, 230,216.19 and 90,342.93 is: 124,673.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,823.24 : 230,216.19 = 90,342.93 : x
  2. Step 2: Convert to fraction form
    166,823.24/230,216.19 = 90,342.93/x
  3. Step 3: Cross multiply
    166,823.24x = 230,216.19 × 90,342.93
  4. Step 4: Simplify right side
    166,823.24x = 20,798,405,138.04
  5. Step 5: Solve for x
    x = 20,798,405,138.04/166,823.24
  6. Step 6: Final answer
    x = 124,673.31

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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.