Home / 140,496.68-193,882.74-76,834.28

Finding the Fourth Proportional to 140,496.68, 193,882.74 and 76,834.28

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Solution

The fourth proportional to 140,496.68, 193,882.74 and 76,834.28 is: 106,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,496.68 : 193,882.74 = 76,834.28 : x
  2. Step 2: Convert to fraction form
    140,496.68/193,882.74 = 76,834.28/x
  3. Step 3: Cross multiply
    140,496.68x = 193,882.74 × 76,834.28
  4. Step 4: Simplify right side
    140,496.68x = 14,896,840,732.33
  5. Step 5: Solve for x
    x = 14,896,840,732.33/140,496.68
  6. Step 6: Final answer
    x = 106,029.84

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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.