Home / 166,582.67-229,885.92-90,103.28

Finding the Fourth Proportional to 166,582.67, 229,885.92 and 90,103.28

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Solution

The fourth proportional to 166,582.67, 229,885.92 and 90,103.28 is: 124,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,582.67 : 229,885.92 = 90,103.28 : x
  2. Step 2: Convert to fraction form
    166,582.67/229,885.92 = 90,103.28/x
  3. Step 3: Cross multiply
    166,582.67x = 229,885.92 × 90,103.28
  4. Step 4: Simplify right side
    166,582.67x = 20,713,474,268.39
  5. Step 5: Solve for x
    x = 20,713,474,268.39/166,582.67
  6. Step 6: Final answer
    x = 124,343.52

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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.