Home / 166,208.02-229,367.91-90,756.52

Finding the Fourth Proportional to 166,208.02, 229,367.91 and 90,756.52

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Solution

The fourth proportional to 166,208.02, 229,367.91 and 90,756.52 is: 125,244.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,208.02 : 229,367.91 = 90,756.52 : x
  2. Step 2: Convert to fraction form
    166,208.02/229,367.91 = 90,756.52/x
  3. Step 3: Cross multiply
    166,208.02x = 229,367.91 × 90,756.52
  4. Step 4: Simplify right side
    166,208.02x = 20,816,633,311.27
  5. Step 5: Solve for x
    x = 20,816,633,311.27/166,208.02
  6. Step 6: Final answer
    x = 125,244.46

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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.