Home / 140,573.99-193,997.21-80,134.85

Finding the Fourth Proportional to 140,573.99, 193,997.21 and 80,134.85

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Solution

The fourth proportional to 140,573.99, 193,997.21 and 80,134.85 is: 110,589.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,573.99 : 193,997.21 = 80,134.85 : x
  2. Step 2: Convert to fraction form
    140,573.99/193,997.21 = 80,134.85/x
  3. Step 3: Cross multiply
    140,573.99x = 193,997.21 × 80,134.85
  4. Step 4: Simplify right side
    140,573.99x = 15,545,935,953.11
  5. Step 5: Solve for x
    x = 15,545,935,953.11/140,573.99
  6. Step 6: Final answer
    x = 110,589.00

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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.