Home / 140,658.44-194,108.82-77,000.24

Finding the Fourth Proportional to 140,658.44, 194,108.82 and 77,000.24

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Solution

The fourth proportional to 140,658.44, 194,108.82 and 77,000.24 is: 106,260.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,658.44 : 194,108.82 = 77,000.24 : x
  2. Step 2: Convert to fraction form
    140,658.44/194,108.82 = 77,000.24/x
  3. Step 3: Cross multiply
    140,658.44x = 194,108.82 × 77,000.24
  4. Step 4: Simplify right side
    140,658.44x = 14,946,425,726.12
  5. Step 5: Solve for x
    x = 14,946,425,726.12/140,658.44
  6. Step 6: Final answer
    x = 106,260.43

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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.