Home / 268,651.12-370,723.90-147,772.89

Finding the Fourth Proportional to 268,651.12, 370,723.90 and 147,772.89

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Solution

The fourth proportional to 268,651.12, 370,723.90 and 147,772.89 is: 203,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,651.12 : 370,723.90 = 147,772.89 : x
  2. Step 2: Convert to fraction form
    268,651.12/370,723.90 = 147,772.89/x
  3. Step 3: Cross multiply
    268,651.12x = 370,723.90 × 147,772.89
  4. Step 4: Simplify right side
    268,651.12x = 54,782,942,095.07
  5. Step 5: Solve for x
    x = 54,782,942,095.07/268,651.12
  6. Step 6: Final answer
    x = 203,918.53

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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.