Home / 193,089.20-289,633.80-130,103.60

Finding the Fourth Proportional to 193,089.20, 289,633.80 and 130,103.60

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Solution

The fourth proportional to 193,089.20, 289,633.80 and 130,103.60 is: 195,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,089.20 : 289,633.80 = 130,103.60 : x
  2. Step 2: Convert to fraction form
    193,089.20/289,633.80 = 130,103.60/x
  3. Step 3: Cross multiply
    193,089.20x = 289,633.80 × 130,103.60
  4. Step 4: Simplify right side
    193,089.20x = 37,682,400,061.68
  5. Step 5: Solve for x
    x = 37,682,400,061.68/193,089.20
  6. Step 6: Final answer
    x = 195,155.40

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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.