Home / 190,498.68-262,886.94-105,615.72

Finding the Fourth Proportional to 190,498.68, 262,886.94 and 105,615.72

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Solution

The fourth proportional to 190,498.68, 262,886.94 and 105,615.72 is: 145,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,498.68 : 262,886.94 = 105,615.72 : x
  2. Step 2: Convert to fraction form
    190,498.68/262,886.94 = 105,615.72/x
  3. Step 3: Cross multiply
    190,498.68x = 262,886.94 × 105,615.72
  4. Step 4: Simplify right side
    190,498.68x = 27,764,993,446.70
  5. Step 5: Solve for x
    x = 27,764,993,446.70/190,498.68
  6. Step 6: Final answer
    x = 145,749.01

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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.