Home / 505,080.18-757,653.66-168,107.22

Finding the Fourth Proportional to 505,080.18, 757,653.66 and 168,107.22

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Solution

The fourth proportional to 505,080.18, 757,653.66 and 168,107.22 is: 252,171.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,080.18 : 757,653.66 = 168,107.22 : x
  2. Step 2: Convert to fraction form
    505,080.18/757,653.66 = 168,107.22/x
  3. Step 3: Cross multiply
    505,080.18x = 757,653.66 × 168,107.22
  4. Step 4: Simplify right side
    505,080.18x = 127,367,050,505.43
  5. Step 5: Solve for x
    x = 127,367,050,505.43/505,080.18
  6. Step 6: Final answer
    x = 252,171.94

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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.