Home / 194,731.09-268,730.94-108,698.20

Finding the Fourth Proportional to 194,731.09, 268,730.94 and 108,698.20

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Solution

The fourth proportional to 194,731.09, 268,730.94 and 108,698.20 is: 150,004.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,731.09 : 268,730.94 = 108,698.20 : x
  2. Step 2: Convert to fraction form
    194,731.09/268,730.94 = 108,698.20/x
  3. Step 3: Cross multiply
    194,731.09x = 268,730.94 × 108,698.20
  4. Step 4: Simplify right side
    194,731.09x = 29,210,569,462.31
  5. Step 5: Solve for x
    x = 29,210,569,462.31/194,731.09
  6. Step 6: Final answer
    x = 150,004.65

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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.