Home / 199,823.58-299,795.31-84,472.74

Finding the Fourth Proportional to 199,823.58, 299,795.31 and 84,472.74

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Solution

The fourth proportional to 199,823.58, 299,795.31 and 84,472.74 is: 126,734.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,823.58 : 299,795.31 = 84,472.74 : x
  2. Step 2: Convert to fraction form
    199,823.58/299,795.31 = 84,472.74/x
  3. Step 3: Cross multiply
    199,823.58x = 299,795.31 × 84,472.74
  4. Step 4: Simplify right side
    199,823.58x = 25,324,531,274.85
  5. Step 5: Solve for x
    x = 25,324,531,274.85/199,823.58
  6. Step 6: Final answer
    x = 126,734.45

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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.