Home / 190,280.28-262,586.34-105,396.96

Finding the Fourth Proportional to 190,280.28, 262,586.34 and 105,396.96

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Solution

The fourth proportional to 190,280.28, 262,586.34 and 105,396.96 is: 145,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,280.28 : 262,586.34 = 105,396.96 : x
  2. Step 2: Convert to fraction form
    190,280.28/262,586.34 = 105,396.96/x
  3. Step 3: Cross multiply
    190,280.28x = 262,586.34 × 105,396.96
  4. Step 4: Simplify right side
    190,280.28x = 27,675,801,973.53
  5. Step 5: Solve for x
    x = 27,675,801,973.53/190,280.28
  6. Step 6: Final answer
    x = 145,447.56

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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.