Home / 119,896.83-165,457.65-66,181.86

Finding the Fourth Proportional to 119,896.83, 165,457.65 and 66,181.86

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Solution

The fourth proportional to 119,896.83, 165,457.65 and 66,181.86 is: 91,330.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,896.83 : 165,457.65 = 66,181.86 : x
  2. Step 2: Convert to fraction form
    119,896.83/165,457.65 = 66,181.86/x
  3. Step 3: Cross multiply
    119,896.83x = 165,457.65 × 66,181.86
  4. Step 4: Simplify right side
    119,896.83x = 10,950,295,028.23
  5. Step 5: Solve for x
    x = 10,950,295,028.23/119,896.83
  6. Step 6: Final answer
    x = 91,330.98

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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.