Home / 140,321.34-193,622.08-79,894.52

Finding the Fourth Proportional to 140,321.34, 193,622.08 and 79,894.52

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Solution

The fourth proportional to 140,321.34, 193,622.08 and 79,894.52 is: 110,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,321.34 : 193,622.08 = 79,894.52 : x
  2. Step 2: Convert to fraction form
    140,321.34/193,622.08 = 79,894.52/x
  3. Step 3: Cross multiply
    140,321.34x = 193,622.08 × 79,894.52
  4. Step 4: Simplify right side
    140,321.34x = 15,469,343,143.00
  5. Step 5: Solve for x
    x = 15,469,343,143.00/140,321.34
  6. Step 6: Final answer
    x = 110,242.27

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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.