Home / 127,773.72-176,234.13-84,675.24

Finding the Fourth Proportional to 127,773.72, 176,234.13 and 84,675.24

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Solution

The fourth proportional to 127,773.72, 176,234.13 and 84,675.24 is: 116,789.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,773.72 : 176,234.13 = 84,675.24 : x
  2. Step 2: Convert to fraction form
    127,773.72/176,234.13 = 84,675.24/x
  3. Step 3: Cross multiply
    127,773.72x = 176,234.13 × 84,675.24
  4. Step 4: Simplify right side
    127,773.72x = 14,922,667,253.94
  5. Step 5: Solve for x
    x = 14,922,667,253.94/127,773.72
  6. Step 6: Final answer
    x = 116,789.80

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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.