Home / 111,028.12-166,540.64-26,787.58

Finding the Fourth Proportional to 111,028.12, 166,540.64 and 26,787.58

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Solution

The fourth proportional to 111,028.12, 166,540.64 and 26,787.58 is: 40,181.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,028.12 : 166,540.64 = 26,787.58 : x
  2. Step 2: Convert to fraction form
    111,028.12/166,540.64 = 26,787.58/x
  3. Step 3: Cross multiply
    111,028.12x = 166,540.64 × 26,787.58
  4. Step 4: Simplify right side
    111,028.12x = 4,461,220,476.50
  5. Step 5: Solve for x
    x = 4,461,220,476.50/111,028.12
  6. Step 6: Final answer
    x = 40,181.00

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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.