Home / 144,763.56-199,771.38-81,100.92

Finding the Fourth Proportional to 144,763.56, 199,771.38 and 81,100.92

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Solution

The fourth proportional to 144,763.56, 199,771.38 and 81,100.92 is: 111,917.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,763.56 : 199,771.38 = 81,100.92 : x
  2. Step 2: Convert to fraction form
    144,763.56/199,771.38 = 81,100.92/x
  3. Step 3: Cross multiply
    144,763.56x = 199,771.38 × 81,100.92
  4. Step 4: Simplify right side
    144,763.56x = 16,201,642,707.67
  5. Step 5: Solve for x
    x = 16,201,642,707.67/144,763.56
  6. Step 6: Final answer
    x = 111,917.96

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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.