Home / 268,213.80-370,135.16-147,362.84

Finding the Fourth Proportional to 268,213.80, 370,135.16 and 147,362.84

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Solution

The fourth proportional to 268,213.80, 370,135.16 and 147,362.84 is: 203,360.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,213.80 : 370,135.16 = 147,362.84 : x
  2. Step 2: Convert to fraction form
    268,213.80/370,135.16 = 147,362.84/x
  3. Step 3: Cross multiply
    268,213.80x = 370,135.16 × 147,362.84
  4. Step 4: Simplify right side
    268,213.80x = 54,544,168,361.45
  5. Step 5: Solve for x
    x = 54,544,168,361.45/268,213.80
  6. Step 6: Final answer
    x = 203,360.78

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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.