Home / 192,911.63-289,387.49-52,670.25

Finding the Fourth Proportional to 192,911.63, 289,387.49 and 52,670.25

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Solution

The fourth proportional to 192,911.63, 289,387.49 and 52,670.25 is: 79,010.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,911.63 : 289,387.49 = 52,670.25 : x
  2. Step 2: Convert to fraction form
    192,911.63/289,387.49 = 52,670.25/x
  3. Step 3: Cross multiply
    192,911.63x = 289,387.49 × 52,670.25
  4. Step 4: Simplify right side
    192,911.63x = 15,242,111,181.82
  5. Step 5: Solve for x
    x = 15,242,111,181.82/192,911.63
  6. Step 6: Final answer
    x = 79,010.85

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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.