Home / 133,688.58-200,533.14-54,788.64

Finding the Fourth Proportional to 133,688.58, 200,533.14 and 54,788.64

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Solution

The fourth proportional to 133,688.58, 200,533.14 and 54,788.64 is: 82,183.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,688.58 : 200,533.14 = 54,788.64 : x
  2. Step 2: Convert to fraction form
    133,688.58/200,533.14 = 54,788.64/x
  3. Step 3: Cross multiply
    133,688.58x = 200,533.14 × 54,788.64
  4. Step 4: Simplify right side
    133,688.58x = 10,986,938,015.53
  5. Step 5: Solve for x
    x = 10,986,938,015.53/133,688.58
  6. Step 6: Final answer
    x = 82,183.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.