Home / 136,039.35-187,238.79-119,800.37

Finding the Fourth Proportional to 136,039.35, 187,238.79 and 119,800.37

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Solution

The fourth proportional to 136,039.35, 187,238.79 and 119,800.37 is: 164,888.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,039.35 : 187,238.79 = 119,800.37 : x
  2. Step 2: Convert to fraction form
    136,039.35/187,238.79 = 119,800.37/x
  3. Step 3: Cross multiply
    136,039.35x = 187,238.79 × 119,800.37
  4. Step 4: Simplify right side
    136,039.35x = 22,431,275,735.23
  5. Step 5: Solve for x
    x = 22,431,275,735.23/136,039.35
  6. Step 6: Final answer
    x = 164,888.14

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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.