Home / 268,626.07-370,704.85-147,776.55

Finding the Fourth Proportional to 268,626.07, 370,704.85 and 147,776.55

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Solution

The fourth proportional to 268,626.07, 370,704.85 and 147,776.55 is: 203,932.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,626.07 : 370,704.85 = 147,776.55 : x
  2. Step 2: Convert to fraction form
    268,626.07/370,704.85 = 147,776.55/x
  3. Step 3: Cross multiply
    268,626.07x = 370,704.85 × 147,776.55
  4. Step 4: Simplify right side
    268,626.07x = 54,781,484,958.14
  5. Step 5: Solve for x
    x = 54,781,484,958.14/268,626.07
  6. Step 6: Final answer
    x = 203,932.12

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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.