Home / 119,893.12-165,451.57-66,178.10

Finding the Fourth Proportional to 119,893.12, 165,451.57 and 66,178.10

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Solution

The fourth proportional to 119,893.12, 165,451.57 and 66,178.10 is: 91,325.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,893.12 : 165,451.57 = 66,178.10 : x
  2. Step 2: Convert to fraction form
    119,893.12/165,451.57 = 66,178.10/x
  3. Step 3: Cross multiply
    119,893.12x = 165,451.57 × 66,178.10
  4. Step 4: Simplify right side
    119,893.12x = 10,949,270,544.62
  5. Step 5: Solve for x
    x = 10,949,270,544.62/119,893.12
  6. Step 6: Final answer
    x = 91,325.26

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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.