Home / 133,810.25-184,644.83-77,239.85

Finding the Fourth Proportional to 133,810.25, 184,644.83 and 77,239.85

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Solution

The fourth proportional to 133,810.25, 184,644.83 and 77,239.85 is: 106,583.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,810.25 : 184,644.83 = 77,239.85 : x
  2. Step 2: Convert to fraction form
    133,810.25/184,644.83 = 77,239.85/x
  3. Step 3: Cross multiply
    133,810.25x = 184,644.83 × 77,239.85
  4. Step 4: Simplify right side
    133,810.25x = 14,261,938,242.35
  5. Step 5: Solve for x
    x = 14,261,938,242.35/133,810.25
  6. Step 6: Final answer
    x = 106,583.31

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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.