Home / 190,571.54-262,953.95-109,969.65

Finding the Fourth Proportional to 190,571.54, 262,953.95 and 109,969.65

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Solution

The fourth proportional to 190,571.54, 262,953.95 and 109,969.65 is: 151,738.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,571.54 : 262,953.95 = 109,969.65 : x
  2. Step 2: Convert to fraction form
    190,571.54/262,953.95 = 109,969.65/x
  3. Step 3: Cross multiply
    190,571.54x = 262,953.95 × 109,969.65
  4. Step 4: Simplify right side
    190,571.54x = 28,916,953,297.77
  5. Step 5: Solve for x
    x = 28,916,953,297.77/190,571.54
  6. Step 6: Final answer
    x = 151,738.05

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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.