Home / 190,207.14-262,493.76-105,324.20

Finding the Fourth Proportional to 190,207.14, 262,493.76 and 105,324.20

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Solution

The fourth proportional to 190,207.14, 262,493.76 and 105,324.20 is: 145,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,207.14 : 262,493.76 = 105,324.20 : x
  2. Step 2: Convert to fraction form
    190,207.14/262,493.76 = 105,324.20/x
  3. Step 3: Cross multiply
    190,207.14x = 262,493.76 × 105,324.20
  4. Step 4: Simplify right side
    190,207.14x = 27,646,945,343.84
  5. Step 5: Solve for x
    x = 27,646,945,343.84/190,207.14
  6. Step 6: Final answer
    x = 145,351.78

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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.