Home / 188,544.72-282,782.40-76,195.68

Finding the Fourth Proportional to 188,544.72, 282,782.40 and 76,195.68

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Solution

The fourth proportional to 188,544.72, 282,782.40 and 76,195.68 is: 114,279.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,544.72 : 282,782.40 = 76,195.68 : x
  2. Step 2: Convert to fraction form
    188,544.72/282,782.40 = 76,195.68/x
  3. Step 3: Cross multiply
    188,544.72x = 282,782.40 × 76,195.68
  4. Step 4: Simplify right side
    188,544.72x = 21,546,797,260.03
  5. Step 5: Solve for x
    x = 21,546,797,260.03/188,544.72
  6. Step 6: Final answer
    x = 114,279.50

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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.