Home / 127,773.79-176,234.00-82,428.77

Finding the Fourth Proportional to 127,773.79, 176,234.00 and 82,428.77

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Solution

The fourth proportional to 127,773.79, 176,234.00 and 82,428.77 is: 113,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,773.79 : 176,234.00 = 82,428.77 : x
  2. Step 2: Convert to fraction form
    127,773.79/176,234.00 = 82,428.77/x
  3. Step 3: Cross multiply
    127,773.79x = 176,234.00 × 82,428.77
  4. Step 4: Simplify right side
    127,773.79x = 14,526,751,880.62
  5. Step 5: Solve for x
    x = 14,526,751,880.62/127,773.79
  6. Step 6: Final answer
    x = 113,691.17

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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.