Home / 193,026.20-289,539.30-130,040.60

Finding the Fourth Proportional to 193,026.20, 289,539.30 and 130,040.60

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Solution

The fourth proportional to 193,026.20, 289,539.30 and 130,040.60 is: 195,060.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,026.20 : 289,539.30 = 130,040.60 : x
  2. Step 2: Convert to fraction form
    193,026.20/289,539.30 = 130,040.60/x
  3. Step 3: Cross multiply
    193,026.20x = 289,539.30 × 130,040.60
  4. Step 4: Simplify right side
    193,026.20x = 37,651,864,295.58
  5. Step 5: Solve for x
    x = 37,651,864,295.58/193,026.20
  6. Step 6: Final answer
    x = 195,060.90

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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.