Home / 161,431.38-242,155.68-49,103.01

Finding the Fourth Proportional to 161,431.38, 242,155.68 and 49,103.01

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Solution

The fourth proportional to 161,431.38, 242,155.68 and 49,103.01 is: 73,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,431.38 : 242,155.68 = 49,103.01 : x
  2. Step 2: Convert to fraction form
    161,431.38/242,155.68 = 49,103.01/x
  3. Step 3: Cross multiply
    161,431.38x = 242,155.68 × 49,103.01
  4. Step 4: Simplify right side
    161,431.38x = 11,890,572,776.60
  5. Step 5: Solve for x
    x = 11,890,572,776.60/161,431.38
  6. Step 6: Final answer
    x = 73,657.13

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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.