Home / 190,525.56-262,936.89-105,642.60

Finding the Fourth Proportional to 190,525.56, 262,936.89 and 105,642.60

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Solution

The fourth proportional to 190,525.56, 262,936.89 and 105,642.60 is: 145,793.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,525.56 : 262,936.89 = 105,642.60 : x
  2. Step 2: Convert to fraction form
    190,525.56/262,936.89 = 105,642.60/x
  3. Step 3: Cross multiply
    190,525.56x = 262,936.89 × 105,642.60
  4. Step 4: Simplify right side
    190,525.56x = 27,777,336,695.51
  5. Step 5: Solve for x
    x = 27,777,336,695.51/190,525.56
  6. Step 6: Final answer
    x = 145,793.23

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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.