Home / 349,109.12-481,771.02-196,147.32

Finding the Fourth Proportional to 349,109.12, 481,771.02 and 196,147.32

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Solution

The fourth proportional to 349,109.12, 481,771.02 and 196,147.32 is: 270,683.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,109.12 : 481,771.02 = 196,147.32 : x
  2. Step 2: Convert to fraction form
    349,109.12/481,771.02 = 196,147.32/x
  3. Step 3: Cross multiply
    349,109.12x = 481,771.02 × 196,147.32
  4. Step 4: Simplify right side
    349,109.12x = 94,498,094,426.67
  5. Step 5: Solve for x
    x = 94,498,094,426.67/349,109.12
  6. Step 6: Final answer
    x = 270,683.55

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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.