Home / 166,628-229,946.64-91,176.50

Finding the Fourth Proportional to 166,628, 229,946.64 and 91,176.50

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Solution

The fourth proportional to 166,628, 229,946.64 and 91,176.50 is: 125,823.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,628 : 229,946.64 = 91,176.50 : x
  2. Step 2: Convert to fraction form
    166,628/229,946.64 = 91,176.50/x
  3. Step 3: Cross multiply
    166,628x = 229,946.64 × 91,176.50
  4. Step 4: Simplify right side
    166,628x = 20,965,729,821.96
  5. Step 5: Solve for x
    x = 20,965,729,821.96/166,628
  6. Step 6: Final answer
    x = 125,823.57

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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.