Home / 268,103.83-370,016.11-154,926.58

Finding the Fourth Proportional to 268,103.83, 370,016.11 and 154,926.58

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Solution

The fourth proportional to 268,103.83, 370,016.11 and 154,926.58 is: 213,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,103.83 : 370,016.11 = 154,926.58 : x
  2. Step 2: Convert to fraction form
    268,103.83/370,016.11 = 154,926.58/x
  3. Step 3: Cross multiply
    268,103.83x = 370,016.11 × 154,926.58
  4. Step 4: Simplify right side
    268,103.83x = 57,325,330,467.20
  5. Step 5: Solve for x
    x = 57,325,330,467.20/268,103.83
  6. Step 6: Final answer
    x = 213,817.65

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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.