Home / 111,017.72-166,521.46-40,892.28

Finding the Fourth Proportional to 111,017.72, 166,521.46 and 40,892.28

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Solution

The fourth proportional to 111,017.72, 166,521.46 and 40,892.28 is: 61,336.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,017.72 : 166,521.46 = 40,892.28 : x
  2. Step 2: Convert to fraction form
    111,017.72/166,521.46 = 40,892.28/x
  3. Step 3: Cross multiply
    111,017.72x = 166,521.46 × 40,892.28
  4. Step 4: Simplify right side
    111,017.72x = 6,809,442,168.33
  5. Step 5: Solve for x
    x = 6,809,442,168.33/111,017.72
  6. Step 6: Final answer
    x = 61,336.53

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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.