Home / 198,928.71-298,390.13-49,169.01

Finding the Fourth Proportional to 198,928.71, 298,390.13 and 49,169.01

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Solution

The fourth proportional to 198,928.71, 298,390.13 and 49,169.01 is: 73,752.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,928.71 : 298,390.13 = 49,169.01 : x
  2. Step 2: Convert to fraction form
    198,928.71/298,390.13 = 49,169.01/x
  3. Step 3: Cross multiply
    198,928.71x = 298,390.13 × 49,169.01
  4. Step 4: Simplify right side
    198,928.71x = 14,671,545,548.08
  5. Step 5: Solve for x
    x = 14,671,545,548.08/198,928.71
  6. Step 6: Final answer
    x = 73,752.78

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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.