Home / 268,629.73-370,705.08-147,763.81

Finding the Fourth Proportional to 268,629.73, 370,705.08 and 147,763.81

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Solution

The fourth proportional to 268,629.73, 370,705.08 and 147,763.81 is: 203,911.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,629.73 : 370,705.08 = 147,763.81 : x
  2. Step 2: Convert to fraction form
    268,629.73/370,705.08 = 147,763.81/x
  3. Step 3: Cross multiply
    268,629.73x = 370,705.08 × 147,763.81
  4. Step 4: Simplify right side
    268,629.73x = 54,776,795,007.15
  5. Step 5: Solve for x
    x = 54,776,795,007.15/268,629.73
  6. Step 6: Final answer
    x = 203,911.89

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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.