Home / 140,991.72-211,517.52-46,215

Finding the Fourth Proportional to 140,991.72, 211,517.52 and 46,215

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Solution

The fourth proportional to 140,991.72, 211,517.52 and 46,215 is: 69,332.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,991.72 : 211,517.52 = 46,215 : x
  2. Step 2: Convert to fraction form
    140,991.72/211,517.52 = 46,215/x
  3. Step 3: Cross multiply
    140,991.72x = 211,517.52 × 46,215
  4. Step 4: Simplify right side
    140,991.72x = 9,775,282,186.80
  5. Step 5: Solve for x
    x = 9,775,282,186.80/140,991.72
  6. Step 6: Final answer
    x = 69,332.31

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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.