Home / 161,485.79-242,265.54-49,181.91

Finding the Fourth Proportional to 161,485.79, 242,265.54 and 49,181.91

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Solution

The fourth proportional to 161,485.79, 242,265.54 and 49,181.91 is: 73,784.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,485.79 : 242,265.54 = 49,181.91 : x
  2. Step 2: Convert to fraction form
    161,485.79/242,265.54 = 49,181.91/x
  3. Step 3: Cross multiply
    161,485.79x = 242,265.54 × 49,181.91
  4. Step 4: Simplify right side
    161,485.79x = 11,915,081,984.38
  5. Step 5: Solve for x
    x = 11,915,081,984.38/161,485.79
  6. Step 6: Final answer
    x = 73,784.09

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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.