Home / 268,736.07-370,840.86-147,857.73

Finding the Fourth Proportional to 268,736.07, 370,840.86 and 147,857.73

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Solution

The fourth proportional to 268,736.07, 370,840.86 and 147,857.73 is: 204,035.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,736.07 : 370,840.86 = 147,857.73 : x
  2. Step 2: Convert to fraction form
    268,736.07/370,840.86 = 147,857.73/x
  3. Step 3: Cross multiply
    268,736.07x = 370,840.86 × 147,857.73
  4. Step 4: Simplify right side
    268,736.07x = 54,831,687,750.85
  5. Step 5: Solve for x
    x = 54,831,687,750.85/268,736.07
  6. Step 6: Final answer
    x = 204,035.46

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1.5x scale

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.