Home / 207,919.81-286,930.96-114,788.44

Finding the Fourth Proportional to 207,919.81, 286,930.96 and 114,788.44

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Solution

The fourth proportional to 207,919.81, 286,930.96 and 114,788.44 is: 158,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,919.81 : 286,930.96 = 114,788.44 : x
  2. Step 2: Convert to fraction form
    207,919.81/286,930.96 = 114,788.44/x
  3. Step 3: Cross multiply
    207,919.81x = 286,930.96 × 114,788.44
  4. Step 4: Simplify right side
    207,919.81x = 32,936,357,357.80
  5. Step 5: Solve for x
    x = 32,936,357,357.80/207,919.81
  6. Step 6: Final answer
    x = 158,408.94

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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.