Home / 166,374.80-229,583.40-90,923.12

Finding the Fourth Proportional to 166,374.80, 229,583.40 and 90,923.12

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Solution

The fourth proportional to 166,374.80, 229,583.40 and 90,923.12 is: 125,466.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,374.80 : 229,583.40 = 90,923.12 : x
  2. Step 2: Convert to fraction form
    166,374.80/229,583.40 = 90,923.12/x
  3. Step 3: Cross multiply
    166,374.80x = 229,583.40 × 90,923.12
  4. Step 4: Simplify right side
    166,374.80x = 20,874,439,028.21
  5. Step 5: Solve for x
    x = 20,874,439,028.21/166,374.80
  6. Step 6: Final answer
    x = 125,466.35

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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.