Home / 379,134.56-568,700.04-98,651.36

Finding the Fourth Proportional to 379,134.56, 568,700.04 and 98,651.36

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Solution

The fourth proportional to 379,134.56, 568,700.04 and 98,651.36 is: 147,976.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,134.56 : 568,700.04 = 98,651.36 : x
  2. Step 2: Convert to fraction form
    379,134.56/568,700.04 = 98,651.36/x
  3. Step 3: Cross multiply
    379,134.56x = 568,700.04 × 98,651.36
  4. Step 4: Simplify right side
    379,134.56x = 56,103,032,378.05
  5. Step 5: Solve for x
    x = 56,103,032,378.05/379,134.56
  6. Step 6: Final answer
    x = 147,976.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.