Home / 166,263-229,442.94-90,811.68

Finding the Fourth Proportional to 166,263, 229,442.94 and 90,811.68

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Solution

The fourth proportional to 166,263, 229,442.94 and 90,811.68 is: 125,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,263 : 229,442.94 = 90,811.68 : x
  2. Step 2: Convert to fraction form
    166,263/229,442.94 = 90,811.68/x
  3. Step 3: Cross multiply
    166,263x = 229,442.94 × 90,811.68
  4. Step 4: Simplify right side
    166,263x = 20,836,098,845.54
  5. Step 5: Solve for x
    x = 20,836,098,845.54/166,263
  6. Step 6: Final answer
    x = 125,320.12

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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.