Home / 140,333.76-193,650.48-76,658.04

Finding the Fourth Proportional to 140,333.76, 193,650.48 and 76,658.04

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Solution

The fourth proportional to 140,333.76, 193,650.48 and 76,658.04 is: 105,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,333.76 : 193,650.48 = 76,658.04 : x
  2. Step 2: Convert to fraction form
    140,333.76/193,650.48 = 76,658.04/x
  3. Step 3: Cross multiply
    140,333.76x = 193,650.48 × 76,658.04
  4. Step 4: Simplify right side
    140,333.76x = 14,844,866,241.86
  5. Step 5: Solve for x
    x = 14,844,866,241.86/140,333.76
  6. Step 6: Final answer
    x = 105,782.57

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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.