Home / 204,589.18-307,014.84-99,350.74

Finding the Fourth Proportional to 204,589.18, 307,014.84 and 99,350.74

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Solution

The fourth proportional to 204,589.18, 307,014.84 and 99,350.74 is: 149,089.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,589.18 : 307,014.84 = 99,350.74 : x
  2. Step 2: Convert to fraction form
    204,589.18/307,014.84 = 99,350.74/x
  3. Step 3: Cross multiply
    204,589.18x = 307,014.84 × 99,350.74
  4. Step 4: Simplify right side
    204,589.18x = 30,502,151,544.98
  5. Step 5: Solve for x
    x = 30,502,151,544.98/204,589.18
  6. Step 6: Final answer
    x = 149,089.76

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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.