Home / 209,462.29-289,060.41-113,969.77

Finding the Fourth Proportional to 209,462.29, 289,060.41 and 113,969.77

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Solution

The fourth proportional to 209,462.29, 289,060.41 and 113,969.77 is: 157,279.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,462.29 : 289,060.41 = 113,969.77 : x
  2. Step 2: Convert to fraction form
    209,462.29/289,060.41 = 113,969.77/x
  3. Step 3: Cross multiply
    209,462.29x = 289,060.41 × 113,969.77
  4. Step 4: Simplify right side
    209,462.29x = 32,944,148,148.54
  5. Step 5: Solve for x
    x = 32,944,148,148.54/209,462.29
  6. Step 6: Final answer
    x = 157,279.62

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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.