Home / 114,531.67-171,714.39-76,998.61

Finding the Fourth Proportional to 114,531.67, 171,714.39 and 76,998.61

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Solution

The fourth proportional to 114,531.67, 171,714.39 and 76,998.61 is: 115,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,531.67 : 171,714.39 = 76,998.61 : x
  2. Step 2: Convert to fraction form
    114,531.67/171,714.39 = 76,998.61/x
  3. Step 3: Cross multiply
    114,531.67x = 171,714.39 × 76,998.61
  4. Step 4: Simplify right side
    114,531.67x = 13,221,769,347.00
  5. Step 5: Solve for x
    x = 13,221,769,347.00/114,531.67
  6. Step 6: Final answer
    x = 115,442.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.