Home / 193,905.53-290,256.85-104,938.37

Finding the Fourth Proportional to 193,905.53, 290,256.85 and 104,938.37

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Solution

The fourth proportional to 193,905.53, 290,256.85 and 104,938.37 is: 157,082.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,905.53 : 290,256.85 = 104,938.37 : x
  2. Step 2: Convert to fraction form
    193,905.53/290,256.85 = 104,938.37/x
  3. Step 3: Cross multiply
    193,905.53x = 290,256.85 × 104,938.37
  4. Step 4: Simplify right side
    193,905.53x = 30,459,080,488.69
  5. Step 5: Solve for x
    x = 30,459,080,488.69/193,905.53
  6. Step 6: Final answer
    x = 157,082.06

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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.