Home / 209,450.30-289,042.68-113,957.69

Finding the Fourth Proportional to 209,450.30, 289,042.68 and 113,957.69

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Solution

The fourth proportional to 209,450.30, 289,042.68 and 113,957.69 is: 157,262.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,450.30 : 289,042.68 = 113,957.69 : x
  2. Step 2: Convert to fraction form
    209,450.30/289,042.68 = 113,957.69/x
  3. Step 3: Cross multiply
    209,450.30x = 289,042.68 × 113,957.69
  4. Step 4: Simplify right side
    209,450.30x = 32,938,636,124.21
  5. Step 5: Solve for x
    x = 32,938,636,124.21/209,450.30
  6. Step 6: Final answer
    x = 157,262.30

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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.