Home / 197,929-273,159.30-108,522.28

Finding the Fourth Proportional to 197,929, 273,159.30 and 108,522.28

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Solution

The fourth proportional to 197,929, 273,159.30 and 108,522.28 is: 149,770.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,929 : 273,159.30 = 108,522.28 : x
  2. Step 2: Convert to fraction form
    197,929/273,159.30 = 108,522.28/x
  3. Step 3: Cross multiply
    197,929x = 273,159.30 × 108,522.28
  4. Step 4: Simplify right side
    197,929x = 29,643,870,039.20
  5. Step 5: Solve for x
    x = 29,643,870,039.20/197,929
  6. Step 6: Final answer
    x = 149,770.22

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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.