Home / 117,949.58-176,069.21-109,169.12

Finding the Fourth Proportional to 117,949.58, 176,069.21 and 109,169.12

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Solution

The fourth proportional to 117,949.58, 176,069.21 and 109,169.12 is: 162,962.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,949.58 : 176,069.21 = 109,169.12 : x
  2. Step 2: Convert to fraction form
    117,949.58/176,069.21 = 109,169.12/x
  3. Step 3: Cross multiply
    117,949.58x = 176,069.21 × 109,169.12
  4. Step 4: Simplify right side
    117,949.58x = 19,221,320,609.12
  5. Step 5: Solve for x
    x = 19,221,320,609.12/117,949.58
  6. Step 6: Final answer
    x = 162,962.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.