Home / 209,974.23-289,764.18-114,480.90

Finding the Fourth Proportional to 209,974.23, 289,764.18 and 114,480.90

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Solution

The fourth proportional to 209,974.23, 289,764.18 and 114,480.90 is: 157,983.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,974.23 : 289,764.18 = 114,480.90 : x
  2. Step 2: Convert to fraction form
    209,974.23/289,764.18 = 114,480.90/x
  3. Step 3: Cross multiply
    209,974.23x = 289,764.18 × 114,480.90
  4. Step 4: Simplify right side
    209,974.23x = 33,172,464,114.16
  5. Step 5: Solve for x
    x = 33,172,464,114.16/209,974.23
  6. Step 6: Final answer
    x = 157,983.50

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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.