Home / 136,100.04-187,768.32-82,365.48

Finding the Fourth Proportional to 136,100.04, 187,768.32 and 82,365.48

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Solution

The fourth proportional to 136,100.04, 187,768.32 and 82,365.48 is: 113,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,100.04 : 187,768.32 = 82,365.48 : x
  2. Step 2: Convert to fraction form
    136,100.04/187,768.32 = 82,365.48/x
  3. Step 3: Cross multiply
    136,100.04x = 187,768.32 × 82,365.48
  4. Step 4: Simplify right side
    136,100.04x = 15,465,627,805.59
  5. Step 5: Solve for x
    x = 15,465,627,805.59/136,100.04
  6. Step 6: Final answer
    x = 113,634.26

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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.