Home / 119,097.81-164,356.43-68,109.75

Finding the Fourth Proportional to 119,097.81, 164,356.43 and 68,109.75

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Solution

The fourth proportional to 119,097.81, 164,356.43 and 68,109.75 is: 93,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,097.81 : 164,356.43 = 68,109.75 : x
  2. Step 2: Convert to fraction form
    119,097.81/164,356.43 = 68,109.75/x
  3. Step 3: Cross multiply
    119,097.81x = 164,356.43 × 68,109.75
  4. Step 4: Simplify right side
    119,097.81x = 11,194,275,017.64
  5. Step 5: Solve for x
    x = 11,194,275,017.64/119,097.81
  6. Step 6: Final answer
    x = 93,992.28

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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.