Home / 140,556.24-193,969.96-76,894.48

Finding the Fourth Proportional to 140,556.24, 193,969.96 and 76,894.48

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Solution

The fourth proportional to 140,556.24, 193,969.96 and 76,894.48 is: 106,115.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,556.24 : 193,969.96 = 76,894.48 : x
  2. Step 2: Convert to fraction form
    140,556.24/193,969.96 = 76,894.48/x
  3. Step 3: Cross multiply
    140,556.24x = 193,969.96 × 76,894.48
  4. Step 4: Simplify right side
    140,556.24x = 14,915,219,209.82
  5. Step 5: Solve for x
    x = 14,915,219,209.82/140,556.24
  6. Step 6: Final answer
    x = 106,115.67

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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.