Home / 193,106.65-289,739.91-104,255.66

Finding the Fourth Proportional to 193,106.65, 289,739.91 and 104,255.66

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Solution

The fourth proportional to 193,106.65, 289,739.91 and 104,255.66 is: 156,426.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,106.65 : 289,739.91 = 104,255.66 : x
  2. Step 2: Convert to fraction form
    193,106.65/289,739.91 = 104,255.66/x
  3. Step 3: Cross multiply
    193,106.65x = 289,739.91 × 104,255.66
  4. Step 4: Simplify right side
    193,106.65x = 30,207,023,836.05
  5. Step 5: Solve for x
    x = 30,207,023,836.05/193,106.65
  6. Step 6: Final answer
    x = 156,426.64

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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.