Home / 190,194.56-262,469.76-105,317.12

Finding the Fourth Proportional to 190,194.56, 262,469.76 and 105,317.12

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Solution

The fourth proportional to 190,194.56, 262,469.76 and 105,317.12 is: 145,338.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,194.56 : 262,469.76 = 105,317.12 : x
  2. Step 2: Convert to fraction form
    190,194.56/262,469.76 = 105,317.12/x
  3. Step 3: Cross multiply
    190,194.56x = 262,469.76 × 105,317.12
  4. Step 4: Simplify right side
    190,194.56x = 27,642,559,210.29
  5. Step 5: Solve for x
    x = 27,642,559,210.29/190,194.56
  6. Step 6: Final answer
    x = 145,338.33

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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.