Home / 208,992.45-288,497.82-141,101.34

Finding the Fourth Proportional to 208,992.45, 288,497.82 and 141,101.34

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Solution

The fourth proportional to 208,992.45, 288,497.82 and 141,101.34 is: 194,779.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,992.45 : 288,497.82 = 141,101.34 : x
  2. Step 2: Convert to fraction form
    208,992.45/288,497.82 = 141,101.34/x
  3. Step 3: Cross multiply
    208,992.45x = 288,497.82 × 141,101.34
  4. Step 4: Simplify right side
    208,992.45x = 40,707,428,989.08
  5. Step 5: Solve for x
    x = 40,707,428,989.08/208,992.45
  6. Step 6: Final answer
    x = 194,779.42

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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.