Home / 194,775.12-268,833-126,673.68

Finding the Fourth Proportional to 194,775.12, 268,833 and 126,673.68

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Solution

The fourth proportional to 194,775.12, 268,833 and 126,673.68 is: 174,837.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,775.12 : 268,833 = 126,673.68 : x
  2. Step 2: Convert to fraction form
    194,775.12/268,833 = 126,673.68/x
  3. Step 3: Cross multiply
    194,775.12x = 268,833 × 126,673.68
  4. Step 4: Simplify right side
    194,775.12x = 34,054,065,415.44
  5. Step 5: Solve for x
    x = 34,054,065,415.44/194,775.12
  6. Step 6: Final answer
    x = 174,837.86

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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.