Home / 193,017.94-289,455.75-66,626.02

Finding the Fourth Proportional to 193,017.94, 289,455.75 and 66,626.02

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Solution

The fourth proportional to 193,017.94, 289,455.75 and 66,626.02 is: 99,914.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,017.94 : 289,455.75 = 66,626.02 : x
  2. Step 2: Convert to fraction form
    193,017.94/289,455.75 = 66,626.02/x
  3. Step 3: Cross multiply
    193,017.94x = 289,455.75 × 66,626.02
  4. Step 4: Simplify right side
    193,017.94x = 19,285,284,588.62
  5. Step 5: Solve for x
    x = 19,285,284,588.62/193,017.94
  6. Step 6: Final answer
    x = 99,914.47

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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.