Home / 118,910.14-164,097.84-71,165.50

Finding the Fourth Proportional to 118,910.14, 164,097.84 and 71,165.50

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Solution

The fourth proportional to 118,910.14, 164,097.84 and 71,165.50 is: 98,209.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,910.14 : 164,097.84 = 71,165.50 : x
  2. Step 2: Convert to fraction form
    118,910.14/164,097.84 = 71,165.50/x
  3. Step 3: Cross multiply
    118,910.14x = 164,097.84 × 71,165.50
  4. Step 4: Simplify right side
    118,910.14x = 11,678,104,832.52
  5. Step 5: Solve for x
    x = 11,678,104,832.52/118,910.14
  6. Step 6: Final answer
    x = 98,209.50

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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.