Home / 193,000.32-289,319.04-104,120.64

Finding the Fourth Proportional to 193,000.32, 289,319.04 and 104,120.64

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Solution

The fourth proportional to 193,000.32, 289,319.04 and 104,120.64 is: 156,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,000.32 : 289,319.04 = 104,120.64 : x
  2. Step 2: Convert to fraction form
    193,000.32/289,319.04 = 104,120.64/x
  3. Step 3: Cross multiply
    193,000.32x = 289,319.04 × 104,120.64
  4. Step 4: Simplify right side
    193,000.32x = 30,124,083,608.99
  5. Step 5: Solve for x
    x = 30,124,083,608.99/193,000.32
  6. Step 6: Final answer
    x = 156,083.08

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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.