Home / 148,904.74-205,489.38-80,922.28

Finding the Fourth Proportional to 148,904.74, 205,489.38 and 80,922.28

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Solution

The fourth proportional to 148,904.74, 205,489.38 and 80,922.28 is: 111,673.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,904.74 : 205,489.38 = 80,922.28 : x
  2. Step 2: Convert to fraction form
    148,904.74/205,489.38 = 80,922.28/x
  3. Step 3: Cross multiply
    148,904.74x = 205,489.38 × 80,922.28
  4. Step 4: Simplify right side
    148,904.74x = 16,628,669,145.39
  5. Step 5: Solve for x
    x = 16,628,669,145.39/148,904.74
  6. Step 6: Final answer
    x = 111,673.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.