Home / 268,832.80-370,986.32-147,971.49

Finding the Fourth Proportional to 268,832.80, 370,986.32 and 147,971.49

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Solution

The fourth proportional to 268,832.80, 370,986.32 and 147,971.49 is: 204,199.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,832.80 : 370,986.32 = 147,971.49 : x
  2. Step 2: Convert to fraction form
    268,832.80/370,986.32 = 147,971.49/x
  3. Step 3: Cross multiply
    268,832.80x = 370,986.32 × 147,971.49
  4. Step 4: Simplify right side
    268,832.80x = 54,895,397,518.75
  5. Step 5: Solve for x
    x = 54,895,397,518.75/268,832.80
  6. Step 6: Final answer
    x = 204,199.03

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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.