Home / 166,653.66-229,982.22-90,172.74

Finding the Fourth Proportional to 166,653.66, 229,982.22 and 90,172.74

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Solution

The fourth proportional to 166,653.66, 229,982.22 and 90,172.74 is: 124,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,653.66 : 229,982.22 = 90,172.74 : x
  2. Step 2: Convert to fraction form
    166,653.66/229,982.22 = 90,172.74/x
  3. Step 3: Cross multiply
    166,653.66x = 229,982.22 × 90,172.74
  4. Step 4: Simplify right side
    166,653.66x = 20,738,126,928.68
  5. Step 5: Solve for x
    x = 20,738,126,928.68/166,653.66
  6. Step 6: Final answer
    x = 124,438.47

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1.5x scale

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.