Home / 190,101.36-262,335.96-105,213.36

Finding the Fourth Proportional to 190,101.36, 262,335.96 and 105,213.36

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Solution

The fourth proportional to 190,101.36, 262,335.96 and 105,213.36 is: 145,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,101.36 : 262,335.96 = 105,213.36 : x
  2. Step 2: Convert to fraction form
    190,101.36/262,335.96 = 105,213.36/x
  3. Step 3: Cross multiply
    190,101.36x = 262,335.96 × 105,213.36
  4. Step 4: Simplify right side
    190,101.36x = 27,601,247,800.43
  5. Step 5: Solve for x
    x = 27,601,247,800.43/190,101.36
  6. Step 6: Final answer
    x = 145,192.27

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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.