Home / 190,591.58-263,012.47-117,975.29

Finding the Fourth Proportional to 190,591.58, 263,012.47 and 117,975.29

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Solution

The fourth proportional to 190,591.58, 263,012.47 and 117,975.29 is: 162,803.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,591.58 : 263,012.47 = 117,975.29 : x
  2. Step 2: Convert to fraction form
    190,591.58/263,012.47 = 117,975.29/x
  3. Step 3: Cross multiply
    190,591.58x = 263,012.47 × 117,975.29
  4. Step 4: Simplify right side
    190,591.58x = 31,028,970,811.87
  5. Step 5: Solve for x
    x = 31,028,970,811.87/190,591.58
  6. Step 6: Final answer
    x = 162,803.47

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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.