Home / 268,789.51-370,775.22-168,012.55

Finding the Fourth Proportional to 268,789.51, 370,775.22 and 168,012.55

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Solution

The fourth proportional to 268,789.51, 370,775.22 and 168,012.55 is: 231,760.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,789.51 : 370,775.22 = 168,012.55 : x
  2. Step 2: Convert to fraction form
    268,789.51/370,775.22 = 168,012.55/x
  3. Step 3: Cross multiply
    268,789.51x = 370,775.22 × 168,012.55
  4. Step 4: Simplify right side
    268,789.51x = 62,294,890,189.01
  5. Step 5: Solve for x
    x = 62,294,890,189.01/268,789.51
  6. Step 6: Final answer
    x = 231,760.87

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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.