Home / 140,723.16-194,198.04-76,192.95

Finding the Fourth Proportional to 140,723.16, 194,198.04 and 76,192.95

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Solution

The fourth proportional to 140,723.16, 194,198.04 and 76,192.95 is: 105,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,723.16 : 194,198.04 = 76,192.95 : x
  2. Step 2: Convert to fraction form
    140,723.16/194,198.04 = 76,192.95/x
  3. Step 3: Cross multiply
    140,723.16x = 194,198.04 × 76,192.95
  4. Step 4: Simplify right side
    140,723.16x = 14,796,522,280.06
  5. Step 5: Solve for x
    x = 14,796,522,280.06/140,723.16
  6. Step 6: Final answer
    x = 105,146.32

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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.