Home / 133,648.20-200,331.90-49,354.63

Finding the Fourth Proportional to 133,648.20, 200,331.90 and 49,354.63

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Solution

The fourth proportional to 133,648.20, 200,331.90 and 49,354.63 is: 73,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,648.20 : 200,331.90 = 49,354.63 : x
  2. Step 2: Convert to fraction form
    133,648.20/200,331.90 = 49,354.63/x
  3. Step 3: Cross multiply
    133,648.20x = 200,331.90 × 49,354.63
  4. Step 4: Simplify right side
    133,648.20x = 9,887,306,300.87
  5. Step 5: Solve for x
    x = 9,887,306,300.87/133,648.20
  6. Step 6: Final answer
    x = 73,980.09

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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.