Home / 193,340.49-289,941.53-66,946.79

Finding the Fourth Proportional to 193,340.49, 289,941.53 and 66,946.79

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Solution

The fourth proportional to 193,340.49, 289,941.53 and 66,946.79 is: 100,396.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,340.49 : 289,941.53 = 66,946.79 : x
  2. Step 2: Convert to fraction form
    193,340.49/289,941.53 = 66,946.79/x
  3. Step 3: Cross multiply
    193,340.49x = 289,941.53 × 66,946.79
  4. Step 4: Simplify right side
    193,340.49x = 19,410,652,936.75
  5. Step 5: Solve for x
    x = 19,410,652,936.75/193,340.49
  6. Step 6: Final answer
    x = 100,396.21

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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.