Home / 190,573.57-262,998.53-115,107.49

Finding the Fourth Proportional to 190,573.57, 262,998.53 and 115,107.49

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Solution

The fourth proportional to 190,573.57, 262,998.53 and 115,107.49 is: 158,852.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,573.57 : 262,998.53 = 115,107.49 : x
  2. Step 2: Convert to fraction form
    190,573.57/262,998.53 = 115,107.49/x
  3. Step 3: Cross multiply
    190,573.57x = 262,998.53 × 115,107.49
  4. Step 4: Simplify right side
    190,573.57x = 30,273,100,661.99
  5. Step 5: Solve for x
    x = 30,273,100,661.99/190,573.57
  6. Step 6: Final answer
    x = 158,852.57

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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.