Home / 209,768.32-289,477.68-114,272.98

Finding the Fourth Proportional to 209,768.32, 289,477.68 and 114,272.98

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Solution

The fourth proportional to 209,768.32, 289,477.68 and 114,272.98 is: 157,695.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,768.32 : 289,477.68 = 114,272.98 : x
  2. Step 2: Convert to fraction form
    209,768.32/289,477.68 = 114,272.98/x
  3. Step 3: Cross multiply
    209,768.32x = 289,477.68 × 114,272.98
  4. Step 4: Simplify right side
    209,768.32x = 33,079,477,137.09
  5. Step 5: Solve for x
    x = 33,079,477,137.09/209,768.32
  6. Step 6: Final answer
    x = 157,695.30

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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.