Home / 395,114.01-545,257.27-213,825.93

Finding the Fourth Proportional to 395,114.01, 545,257.27 and 213,825.93

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Solution

The fourth proportional to 395,114.01, 545,257.27 and 213,825.93 is: 295,079.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,114.01 : 545,257.27 = 213,825.93 : x
  2. Step 2: Convert to fraction form
    395,114.01/545,257.27 = 213,825.93/x
  3. Step 3: Cross multiply
    395,114.01x = 545,257.27 × 213,825.93
  4. Step 4: Simplify right side
    395,114.01x = 116,590,142,847.01
  5. Step 5: Solve for x
    x = 116,590,142,847.01/395,114.01
  6. Step 6: Final answer
    x = 295,079.75

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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.