Home / 298,408.05-447,616.73-166,129.04

Finding the Fourth Proportional to 298,408.05, 447,616.73 and 166,129.04

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Solution

The fourth proportional to 298,408.05, 447,616.73 and 166,129.04 is: 249,196.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,408.05 : 447,616.73 = 166,129.04 : x
  2. Step 2: Convert to fraction form
    298,408.05/447,616.73 = 166,129.04/x
  3. Step 3: Cross multiply
    298,408.05x = 447,616.73 × 166,129.04
  4. Step 4: Simplify right side
    298,408.05x = 74,362,139,177.20
  5. Step 5: Solve for x
    x = 74,362,139,177.20/298,408.05
  6. Step 6: Final answer
    x = 249,196.16

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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.