Home / 144,738.44-199,750.12-91,069.46

Finding the Fourth Proportional to 144,738.44, 199,750.12 and 91,069.46

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Solution

The fourth proportional to 144,738.44, 199,750.12 and 91,069.46 is: 125,682.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,738.44 : 199,750.12 = 91,069.46 : x
  2. Step 2: Convert to fraction form
    144,738.44/199,750.12 = 91,069.46/x
  3. Step 3: Cross multiply
    144,738.44x = 199,750.12 × 91,069.46
  4. Step 4: Simplify right side
    144,738.44x = 18,191,134,564.58
  5. Step 5: Solve for x
    x = 18,191,134,564.58/144,738.44
  6. Step 6: Final answer
    x = 125,682.82

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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.