Home / 190,231.36-262,519.04-105,348.48

Finding the Fourth Proportional to 190,231.36, 262,519.04 and 105,348.48

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Solution

The fourth proportional to 190,231.36, 262,519.04 and 105,348.48 is: 145,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,231.36 : 262,519.04 = 105,348.48 : x
  2. Step 2: Convert to fraction form
    190,231.36/262,519.04 = 105,348.48/x
  3. Step 3: Cross multiply
    190,231.36x = 262,519.04 × 105,348.48
  4. Step 4: Simplify right side
    190,231.36x = 27,655,981,835.06
  5. Step 5: Solve for x
    x = 27,655,981,835.06/190,231.36
  6. Step 6: Final answer
    x = 145,380.77

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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.