Home / 209,817.57-289,540.12-114,324.98

Finding the Fourth Proportional to 209,817.57, 289,540.12 and 114,324.98

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Solution

The fourth proportional to 209,817.57, 289,540.12 and 114,324.98 is: 157,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,817.57 : 289,540.12 = 114,324.98 : x
  2. Step 2: Convert to fraction form
    209,817.57/289,540.12 = 114,324.98/x
  3. Step 3: Cross multiply
    209,817.57x = 289,540.12 × 114,324.98
  4. Step 4: Simplify right side
    209,817.57x = 33,101,668,428.20
  5. Step 5: Solve for x
    x = 33,101,668,428.20/209,817.57
  6. Step 6: Final answer
    x = 157,764.04

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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.