Home / 199,166.28-298,815.18-72,845.16

Finding the Fourth Proportional to 199,166.28, 298,815.18 and 72,845.16

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Solution

The fourth proportional to 199,166.28, 298,815.18 and 72,845.16 is: 109,291.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,166.28 : 298,815.18 = 72,845.16 : x
  2. Step 2: Convert to fraction form
    199,166.28/298,815.18 = 72,845.16/x
  3. Step 3: Cross multiply
    199,166.28x = 298,815.18 × 72,845.16
  4. Step 4: Simplify right side
    199,166.28x = 21,767,239,597.53
  5. Step 5: Solve for x
    x = 21,767,239,597.53/199,166.28
  6. Step 6: Final answer
    x = 109,291.79

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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.