Home / 166,627.50-229,945.95-91,176

Finding the Fourth Proportional to 166,627.50, 229,945.95 and 91,176

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Solution

The fourth proportional to 166,627.50, 229,945.95 and 91,176 is: 125,822.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,627.50 : 229,945.95 = 91,176 : x
  2. Step 2: Convert to fraction form
    166,627.50/229,945.95 = 91,176/x
  3. Step 3: Cross multiply
    166,627.50x = 229,945.95 × 91,176
  4. Step 4: Simplify right side
    166,627.50x = 20,965,551,937.20
  5. Step 5: Solve for x
    x = 20,965,551,937.20/166,627.50
  6. Step 6: Final answer
    x = 125,822.88

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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.