Home / 119,814.24-165,342.70-66,101.52

Finding the Fourth Proportional to 119,814.24, 165,342.70 and 66,101.52

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Solution

The fourth proportional to 119,814.24, 165,342.70 and 66,101.52 is: 91,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,814.24 : 165,342.70 = 66,101.52 : x
  2. Step 2: Convert to fraction form
    119,814.24/165,342.70 = 66,101.52/x
  3. Step 3: Cross multiply
    119,814.24x = 165,342.70 × 66,101.52
  4. Step 4: Simplify right side
    119,814.24x = 10,929,403,790.90
  5. Step 5: Solve for x
    x = 10,929,403,790.90/119,814.24
  6. Step 6: Final answer
    x = 91,219.57

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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.