Home / 268,836.57-370,980.33-147,954.75

Finding the Fourth Proportional to 268,836.57, 370,980.33 and 147,954.75

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Solution

The fourth proportional to 268,836.57, 370,980.33 and 147,954.75 is: 204,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,836.57 : 370,980.33 = 147,954.75 : x
  2. Step 2: Convert to fraction form
    268,836.57/370,980.33 = 147,954.75/x
  3. Step 3: Cross multiply
    268,836.57x = 370,980.33 × 147,954.75
  4. Step 4: Simplify right side
    268,836.57x = 54,888,301,980.07
  5. Step 5: Solve for x
    x = 54,888,301,980.07/268,836.57
  6. Step 6: Final answer
    x = 204,169.77

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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.