Home / 193,017.44-289,455-66,625.52

Finding the Fourth Proportional to 193,017.44, 289,455 and 66,625.52

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Solution

The fourth proportional to 193,017.44, 289,455 and 66,625.52 is: 99,913.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,017.44 : 289,455 = 66,625.52 : x
  2. Step 2: Convert to fraction form
    193,017.44/289,455 = 66,625.52/x
  3. Step 3: Cross multiply
    193,017.44x = 289,455 × 66,625.52
  4. Step 4: Simplify right side
    193,017.44x = 19,285,089,891.60
  5. Step 5: Solve for x
    x = 19,285,089,891.60/193,017.44
  6. Step 6: Final answer
    x = 99,913.72

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1.5x scale

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.