Home / 133,234.33-183,855.55-72,792.94

Finding the Fourth Proportional to 133,234.33, 183,855.55 and 72,792.94

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Solution

The fourth proportional to 133,234.33, 183,855.55 and 72,792.94 is: 100,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,234.33 : 183,855.55 = 72,792.94 : x
  2. Step 2: Convert to fraction form
    133,234.33/183,855.55 = 72,792.94/x
  3. Step 3: Cross multiply
    133,234.33x = 183,855.55 × 72,792.94
  4. Step 4: Simplify right side
    133,234.33x = 13,383,386,019.82
  5. Step 5: Solve for x
    x = 13,383,386,019.82/133,234.33
  6. Step 6: Final answer
    x = 100,449.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.