Home / 116,709.69-174,801.96-81,805.17

Finding the Fourth Proportional to 116,709.69, 174,801.96 and 81,805.17

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Solution

The fourth proportional to 116,709.69, 174,801.96 and 81,805.17 is: 122,523.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,709.69 : 174,801.96 = 81,805.17 : x
  2. Step 2: Convert to fraction form
    116,709.69/174,801.96 = 81,805.17/x
  3. Step 3: Cross multiply
    116,709.69x = 174,801.96 × 81,805.17
  4. Step 4: Simplify right side
    116,709.69x = 14,299,704,054.13
  5. Step 5: Solve for x
    x = 14,299,704,054.13/116,709.69
  6. Step 6: Final answer
    x = 122,523.71

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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.