Home / 166,442.46-229,690.71-90,990.96

Finding the Fourth Proportional to 166,442.46, 229,690.71 and 90,990.96

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Solution

The fourth proportional to 166,442.46, 229,690.71 and 90,990.96 is: 125,567.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,442.46 : 229,690.71 = 90,990.96 : x
  2. Step 2: Convert to fraction form
    166,442.46/229,690.71 = 90,990.96/x
  3. Step 3: Cross multiply
    166,442.46x = 229,690.71 × 90,990.96
  4. Step 4: Simplify right side
    166,442.46x = 20,899,778,205.98
  5. Step 5: Solve for x
    x = 20,899,778,205.98/166,442.46
  6. Step 6: Final answer
    x = 125,567.59

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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.