Home / 190,711.54-263,185.27-104,678.57

Finding the Fourth Proportional to 190,711.54, 263,185.27 and 104,678.57

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Solution

The fourth proportional to 190,711.54, 263,185.27 and 104,678.57 is: 144,458.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,711.54 : 263,185.27 = 104,678.57 : x
  2. Step 2: Convert to fraction form
    190,711.54/263,185.27 = 104,678.57/x
  3. Step 3: Cross multiply
    190,711.54x = 263,185.27 × 104,678.57
  4. Step 4: Simplify right side
    190,711.54x = 27,549,858,104.93
  5. Step 5: Solve for x
    x = 27,549,858,104.93/190,711.54
  6. Step 6: Final answer
    x = 144,458.26

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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.