Home / 190,116.36-262,366.14-105,241.32

Finding the Fourth Proportional to 190,116.36, 262,366.14 and 105,241.32

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Solution

The fourth proportional to 190,116.36, 262,366.14 and 105,241.32 is: 145,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,116.36 : 262,366.14 = 105,241.32 : x
  2. Step 2: Convert to fraction form
    190,116.36/262,366.14 = 105,241.32/x
  3. Step 3: Cross multiply
    190,116.36x = 262,366.14 × 105,241.32
  4. Step 4: Simplify right side
    190,116.36x = 27,611,758,896.90
  5. Step 5: Solve for x
    x = 27,611,758,896.90/190,116.36
  6. Step 6: Final answer
    x = 145,236.10

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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.