Home / 190,330.88-262,608-118,745.60

Finding the Fourth Proportional to 190,330.88, 262,608 and 118,745.60

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Solution

The fourth proportional to 190,330.88, 262,608 and 118,745.60 is: 163,838.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,330.88 : 262,608 = 118,745.60 : x
  2. Step 2: Convert to fraction form
    190,330.88/262,608 = 118,745.60/x
  3. Step 3: Cross multiply
    190,330.88x = 262,608 × 118,745.60
  4. Step 4: Simplify right side
    190,330.88x = 31,183,544,524.80
  5. Step 5: Solve for x
    x = 31,183,544,524.80/190,330.88
  6. Step 6: Final answer
    x = 163,838.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.