Home / 111,028.59-166,541.34-26,788.05

Finding the Fourth Proportional to 111,028.59, 166,541.34 and 26,788.05

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Solution

The fourth proportional to 111,028.59, 166,541.34 and 26,788.05 is: 40,181.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,028.59 : 166,541.34 = 26,788.05 : x
  2. Step 2: Convert to fraction form
    111,028.59/166,541.34 = 26,788.05/x
  3. Step 3: Cross multiply
    111,028.59x = 166,541.34 × 26,788.05
  4. Step 4: Simplify right side
    111,028.59x = 4,461,317,742.99
  5. Step 5: Solve for x
    x = 4,461,317,742.99/111,028.59
  6. Step 6: Final answer
    x = 40,181.70

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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.