Home / 193,440.30-290,160.72-104,735.58

Finding the Fourth Proportional to 193,440.30, 290,160.72 and 104,735.58

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Solution

The fourth proportional to 193,440.30, 290,160.72 and 104,735.58 is: 157,103.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,440.30 : 290,160.72 = 104,735.58 : x
  2. Step 2: Convert to fraction form
    193,440.30/290,160.72 = 104,735.58/x
  3. Step 3: Cross multiply
    193,440.30x = 290,160.72 × 104,735.58
  4. Step 4: Simplify right side
    193,440.30x = 30,390,151,302.42
  5. Step 5: Solve for x
    x = 30,390,151,302.42/193,440.30
  6. Step 6: Final answer
    x = 157,103.52

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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.