Home / 136,670.22-205,003.62-113,247.54

Finding the Fourth Proportional to 136,670.22, 205,003.62 and 113,247.54

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Solution

The fourth proportional to 136,670.22, 205,003.62 and 113,247.54 is: 169,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,670.22 : 205,003.62 = 113,247.54 : x
  2. Step 2: Convert to fraction form
    136,670.22/205,003.62 = 113,247.54/x
  3. Step 3: Cross multiply
    136,670.22x = 205,003.62 × 113,247.54
  4. Step 4: Simplify right side
    136,670.22x = 23,216,155,656.09
  5. Step 5: Solve for x
    x = 23,216,155,656.09/136,670.22
  6. Step 6: Final answer
    x = 169,869.89

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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.