Home / 113,763.01-170,511.62-85,592.54

Finding the Fourth Proportional to 113,763.01, 170,511.62 and 85,592.54

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Solution

The fourth proportional to 113,763.01, 170,511.62 and 85,592.54 is: 128,288.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,763.01 : 170,511.62 = 85,592.54 : x
  2. Step 2: Convert to fraction form
    113,763.01/170,511.62 = 85,592.54/x
  3. Step 3: Cross multiply
    113,763.01x = 170,511.62 × 85,592.54
  4. Step 4: Simplify right side
    113,763.01x = 14,594,523,295.58
  5. Step 5: Solve for x
    x = 14,594,523,295.58/113,763.01
  6. Step 6: Final answer
    x = 128,288.83

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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.