Home / 194,986.40-269,081.86-105,562.40

Finding the Fourth Proportional to 194,986.40, 269,081.86 and 105,562.40

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Solution

The fourth proportional to 194,986.40, 269,081.86 and 105,562.40 is: 145,676.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,986.40 : 269,081.86 = 105,562.40 : x
  2. Step 2: Convert to fraction form
    194,986.40/269,081.86 = 105,562.40/x
  3. Step 3: Cross multiply
    194,986.40x = 269,081.86 × 105,562.40
  4. Step 4: Simplify right side
    194,986.40x = 28,404,926,938.06
  5. Step 5: Solve for x
    x = 28,404,926,938.06/194,986.40
  6. Step 6: Final answer
    x = 145,676.45

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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.