Home / 133,040.72-199,502.52-49,876.40

Finding the Fourth Proportional to 133,040.72, 199,502.52 and 49,876.40

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Solution

The fourth proportional to 133,040.72, 199,502.52 and 49,876.40 is: 74,792.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,040.72 : 199,502.52 = 49,876.40 : x
  2. Step 2: Convert to fraction form
    133,040.72/199,502.52 = 49,876.40/x
  3. Step 3: Cross multiply
    133,040.72x = 199,502.52 × 49,876.40
  4. Step 4: Simplify right side
    133,040.72x = 9,950,467,488.53
  5. Step 5: Solve for x
    x = 9,950,467,488.53/133,040.72
  6. Step 6: Final answer
    x = 74,792.65

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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.