Home / 111,257.80-166,896.96-36,378.32

Finding the Fourth Proportional to 111,257.80, 166,896.96 and 36,378.32

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Solution

The fourth proportional to 111,257.80, 166,896.96 and 36,378.32 is: 54,570.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,257.80 : 166,896.96 = 36,378.32 : x
  2. Step 2: Convert to fraction form
    111,257.80/166,896.96 = 36,378.32/x
  3. Step 3: Cross multiply
    111,257.80x = 166,896.96 × 36,378.32
  4. Step 4: Simplify right side
    111,257.80x = 6,071,431,017.91
  5. Step 5: Solve for x
    x = 6,071,431,017.91/111,257.80
  6. Step 6: Final answer
    x = 54,570.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.