Home / 140,700.65-194,149.10-112,092.86

Finding the Fourth Proportional to 140,700.65, 194,149.10 and 112,092.86

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Solution

The fourth proportional to 140,700.65, 194,149.10 and 112,092.86 is: 154,673.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,700.65 : 194,149.10 = 112,092.86 : x
  2. Step 2: Convert to fraction form
    140,700.65/194,149.10 = 112,092.86/x
  3. Step 3: Cross multiply
    140,700.65x = 194,149.10 × 112,092.86
  4. Step 4: Simplify right side
    140,700.65x = 21,762,728,651.03
  5. Step 5: Solve for x
    x = 21,762,728,651.03/140,700.65
  6. Step 6: Final answer
    x = 154,673.98

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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.