Home / 209,790.91-289,511.50-114,297.62

Finding the Fourth Proportional to 209,790.91, 289,511.50 and 114,297.62

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Solution

The fourth proportional to 209,790.91, 289,511.50 and 114,297.62 is: 157,730.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,790.91 : 289,511.50 = 114,297.62 : x
  2. Step 2: Convert to fraction form
    209,790.91/289,511.50 = 114,297.62/x
  3. Step 3: Cross multiply
    209,790.91x = 289,511.50 × 114,297.62
  4. Step 4: Simplify right side
    209,790.91x = 33,090,473,893.64
  5. Step 5: Solve for x
    x = 33,090,473,893.64/209,790.91
  6. Step 6: Final answer
    x = 157,730.73

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1.5x scale

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.