Home / 133,769.98-184,617.96-76,418.38

Finding the Fourth Proportional to 133,769.98, 184,617.96 and 76,418.38

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Solution

The fourth proportional to 133,769.98, 184,617.96 and 76,418.38 is: 105,466.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,769.98 : 184,617.96 = 76,418.38 : x
  2. Step 2: Convert to fraction form
    133,769.98/184,617.96 = 76,418.38/x
  3. Step 3: Cross multiply
    133,769.98x = 184,617.96 × 76,418.38
  4. Step 4: Simplify right side
    133,769.98x = 14,108,205,422.10
  5. Step 5: Solve for x
    x = 14,108,205,422.10/133,769.98
  6. Step 6: Final answer
    x = 105,466.15

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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.