Home / 260,936.98-391,359.22-118,749.18

Finding the Fourth Proportional to 260,936.98, 391,359.22 and 118,749.18

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Solution

The fourth proportional to 260,936.98, 391,359.22 and 118,749.18 is: 178,102.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,936.98 : 391,359.22 = 118,749.18 : x
  2. Step 2: Convert to fraction form
    260,936.98/391,359.22 = 118,749.18/x
  3. Step 3: Cross multiply
    260,936.98x = 391,359.22 × 118,749.18
  4. Step 4: Simplify right side
    260,936.98x = 46,473,586,460.44
  5. Step 5: Solve for x
    x = 46,473,586,460.44/260,936.98
  6. Step 6: Final answer
    x = 178,102.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.