Home / 190,105.36-262,341.48-105,217.36

Finding the Fourth Proportional to 190,105.36, 262,341.48 and 105,217.36

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Solution

The fourth proportional to 190,105.36, 262,341.48 and 105,217.36 is: 145,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,105.36 : 262,341.48 = 105,217.36 : x
  2. Step 2: Convert to fraction form
    190,105.36/262,341.48 = 105,217.36/x
  3. Step 3: Cross multiply
    190,105.36x = 262,341.48 × 105,217.36
  4. Step 4: Simplify right side
    190,105.36x = 27,602,877,944.09
  5. Step 5: Solve for x
    x = 27,602,877,944.09/190,105.36
  6. Step 6: Final answer
    x = 145,197.79

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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.