Home / 140,504.20-193,898.64-76,846.09

Finding the Fourth Proportional to 140,504.20, 193,898.64 and 76,846.09

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Solution

The fourth proportional to 140,504.20, 193,898.64 and 76,846.09 is: 106,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,504.20 : 193,898.64 = 76,846.09 : x
  2. Step 2: Convert to fraction form
    140,504.20/193,898.64 = 76,846.09/x
  3. Step 3: Cross multiply
    140,504.20x = 193,898.64 × 76,846.09
  4. Step 4: Simplify right side
    140,504.20x = 14,900,352,340.32
  5. Step 5: Solve for x
    x = 14,900,352,340.32/140,504.20
  6. Step 6: Final answer
    x = 106,049.16

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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.