Home / 140,004.52-193,205.46-76,340.95

Finding the Fourth Proportional to 140,004.52, 193,205.46 and 76,340.95

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Solution

The fourth proportional to 140,004.52, 193,205.46 and 76,340.95 is: 105,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,004.52 : 193,205.46 = 76,340.95 : x
  2. Step 2: Convert to fraction form
    140,004.52/193,205.46 = 76,340.95/x
  3. Step 3: Cross multiply
    140,004.52x = 193,205.46 × 76,340.95
  4. Step 4: Simplify right side
    140,004.52x = 14,749,488,361.59
  5. Step 5: Solve for x
    x = 14,749,488,361.59/140,004.52
  6. Step 6: Final answer
    x = 105,350.09

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1.5x scale

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.