Home / 166,777.70-230,153.27-90,296.78

Finding the Fourth Proportional to 166,777.70, 230,153.27 and 90,296.78

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Solution

The fourth proportional to 166,777.70, 230,153.27 and 90,296.78 is: 124,609.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,777.70 : 230,153.27 = 90,296.78 : x
  2. Step 2: Convert to fraction form
    166,777.70/230,153.27 = 90,296.78/x
  3. Step 3: Cross multiply
    166,777.70x = 230,153.27 × 90,296.78
  4. Step 4: Simplify right side
    166,777.70x = 20,782,097,585.22
  5. Step 5: Solve for x
    x = 20,782,097,585.22/166,777.70
  6. Step 6: Final answer
    x = 124,609.57

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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.