Home / 113,414.90-156,511.32-62,426.54

Finding the Fourth Proportional to 113,414.90, 156,511.32 and 62,426.54

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Solution

The fourth proportional to 113,414.90, 156,511.32 and 62,426.54 is: 86,147.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,414.90 : 156,511.32 = 62,426.54 : x
  2. Step 2: Convert to fraction form
    113,414.90/156,511.32 = 62,426.54/x
  3. Step 3: Cross multiply
    113,414.90x = 156,511.32 × 62,426.54
  4. Step 4: Simplify right side
    113,414.90x = 9,770,460,178.43
  5. Step 5: Solve for x
    x = 9,770,460,178.43/113,414.90
  6. Step 6: Final answer
    x = 86,147.94

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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.