Home / 188,109.14-282,134.34-54,953.64

Finding the Fourth Proportional to 188,109.14, 282,134.34 and 54,953.64

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Solution

The fourth proportional to 188,109.14, 282,134.34 and 54,953.64 is: 82,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,109.14 : 282,134.34 = 54,953.64 : x
  2. Step 2: Convert to fraction form
    188,109.14/282,134.34 = 54,953.64/x
  3. Step 3: Cross multiply
    188,109.14x = 282,134.34 × 54,953.64
  4. Step 4: Simplify right side
    188,109.14x = 15,504,308,952.00
  5. Step 5: Solve for x
    x = 15,504,308,952.00/188,109.14
  6. Step 6: Final answer
    x = 82,421.88

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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.