Home / 190,069.94-262,304.75-105,187.03

Finding the Fourth Proportional to 190,069.94, 262,304.75 and 105,187.03

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Solution

The fourth proportional to 190,069.94, 262,304.75 and 105,187.03 is: 145,162.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,069.94 : 262,304.75 = 105,187.03 : x
  2. Step 2: Convert to fraction form
    190,069.94/262,304.75 = 105,187.03/x
  3. Step 3: Cross multiply
    190,069.94x = 262,304.75 × 105,187.03
  4. Step 4: Simplify right side
    190,069.94x = 27,591,057,607.39
  5. Step 5: Solve for x
    x = 27,591,057,607.39/190,069.94
  6. Step 6: Final answer
    x = 145,162.66

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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.