Home / 190,124.11-262,371.27-105,241.17

Finding the Fourth Proportional to 190,124.11, 262,371.27 and 105,241.17

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Solution

The fourth proportional to 190,124.11, 262,371.27 and 105,241.17 is: 145,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,124.11 : 262,371.27 = 105,241.17 : x
  2. Step 2: Convert to fraction form
    190,124.11/262,371.27 = 105,241.17/x
  3. Step 3: Cross multiply
    190,124.11x = 262,371.27 × 105,241.17
  4. Step 4: Simplify right side
    190,124.11x = 27,612,258,739.91
  5. Step 5: Solve for x
    x = 27,612,258,739.91/190,124.11
  6. Step 6: Final answer
    x = 145,232.81

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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.