Home / 193,853.52-290,661.15-75,386.73

Finding the Fourth Proportional to 193,853.52, 290,661.15 and 75,386.73

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Solution

The fourth proportional to 193,853.52, 290,661.15 and 75,386.73 is: 113,033.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,853.52 : 290,661.15 = 75,386.73 : x
  2. Step 2: Convert to fraction form
    193,853.52/290,661.15 = 75,386.73/x
  3. Step 3: Cross multiply
    193,853.52x = 290,661.15 × 75,386.73
  4. Step 4: Simplify right side
    193,853.52x = 21,911,993,636.54
  5. Step 5: Solve for x
    x = 21,911,993,636.54/193,853.52
  6. Step 6: Final answer
    x = 113,033.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.