Home / 190,880.45-263,293.93-117,260.63

Finding the Fourth Proportional to 190,880.45, 263,293.93 and 117,260.63

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Solution

The fourth proportional to 190,880.45, 263,293.93 and 117,260.63 is: 161,745.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,880.45 : 263,293.93 = 117,260.63 : x
  2. Step 2: Convert to fraction form
    190,880.45/263,293.93 = 117,260.63/x
  3. Step 3: Cross multiply
    190,880.45x = 263,293.93 × 117,260.63
  4. Step 4: Simplify right side
    190,880.45x = 30,874,011,520.67
  5. Step 5: Solve for x
    x = 30,874,011,520.67/190,880.45
  6. Step 6: Final answer
    x = 161,745.28

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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.