Home / 115,890.52-173,835.78-74,599.96

Finding the Fourth Proportional to 115,890.52, 173,835.78 and 74,599.96

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Solution

The fourth proportional to 115,890.52, 173,835.78 and 74,599.96 is: 111,899.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,890.52 : 173,835.78 = 74,599.96 : x
  2. Step 2: Convert to fraction form
    115,890.52/173,835.78 = 74,599.96/x
  3. Step 3: Cross multiply
    115,890.52x = 173,835.78 × 74,599.96
  4. Step 4: Simplify right side
    115,890.52x = 12,968,142,234.57
  5. Step 5: Solve for x
    x = 12,968,142,234.57/115,890.52
  6. Step 6: Final answer
    x = 111,899.94

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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.