Home / 166,122.24-229,248-90,670.56

Finding the Fourth Proportional to 166,122.24, 229,248 and 90,670.56

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Solution

The fourth proportional to 166,122.24, 229,248 and 90,670.56 is: 125,125.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,122.24 : 229,248 = 90,670.56 : x
  2. Step 2: Convert to fraction form
    166,122.24/229,248 = 90,670.56/x
  3. Step 3: Cross multiply
    166,122.24x = 229,248 × 90,670.56
  4. Step 4: Simplify right side
    166,122.24x = 20,786,044,538.88
  5. Step 5: Solve for x
    x = 20,786,044,538.88/166,122.24
  6. Step 6: Final answer
    x = 125,125.00

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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.