Home / 140,004-193,200.12-79,582.59

Finding the Fourth Proportional to 140,004, 193,200.12 and 79,582.59

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Solution

The fourth proportional to 140,004, 193,200.12 and 79,582.59 is: 109,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,004 : 193,200.12 = 79,582.59 : x
  2. Step 2: Convert to fraction form
    140,004/193,200.12 = 79,582.59/x
  3. Step 3: Cross multiply
    140,004x = 193,200.12 × 79,582.59
  4. Step 4: Simplify right side
    140,004x = 15,375,365,937.91
  5. Step 5: Solve for x
    x = 15,375,365,937.91/140,004
  6. Step 6: Final answer
    x = 109,820.90

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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.