Home / 190,426.56-262,778.22-105,538.56

Finding the Fourth Proportional to 190,426.56, 262,778.22 and 105,538.56

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Solution

The fourth proportional to 190,426.56, 262,778.22 and 105,538.56 is: 145,637.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,426.56 : 262,778.22 = 105,538.56 : x
  2. Step 2: Convert to fraction form
    190,426.56/262,778.22 = 105,538.56/x
  3. Step 3: Cross multiply
    190,426.56x = 262,778.22 × 105,538.56
  4. Step 4: Simplify right side
    190,426.56x = 27,733,234,938.16
  5. Step 5: Solve for x
    x = 27,733,234,938.16/190,426.56
  6. Step 6: Final answer
    x = 145,637.43

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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.