Home / 190,004.43-262,187.77-105,119.67

Finding the Fourth Proportional to 190,004.43, 262,187.77 and 105,119.67

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Solution

The fourth proportional to 190,004.43, 262,187.77 and 105,119.67 is: 145,055.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,004.43 : 262,187.77 = 105,119.67 : x
  2. Step 2: Convert to fraction form
    190,004.43/262,187.77 = 105,119.67/x
  3. Step 3: Cross multiply
    190,004.43x = 262,187.77 × 105,119.67
  4. Step 4: Simplify right side
    190,004.43x = 27,561,091,860.44
  5. Step 5: Solve for x
    x = 27,561,091,860.44/190,004.43
  6. Step 6: Final answer
    x = 145,055.00

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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.