Home / 190,206.77-262,493.26-105,323.84

Finding the Fourth Proportional to 190,206.77, 262,493.26 and 105,323.84

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Solution

The fourth proportional to 190,206.77, 262,493.26 and 105,323.84 is: 145,351.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,206.77 : 262,493.26 = 105,323.84 : x
  2. Step 2: Convert to fraction form
    190,206.77/262,493.26 = 105,323.84/x
  3. Step 3: Cross multiply
    190,206.77x = 262,493.26 × 105,323.84
  4. Step 4: Simplify right side
    190,206.77x = 27,646,796,541.54
  5. Step 5: Solve for x
    x = 27,646,796,541.54/190,206.77
  6. Step 6: Final answer
    x = 145,351.27

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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.