Home / 119,833.74-165,371.15-66,118.79

Finding the Fourth Proportional to 119,833.74, 165,371.15 and 66,118.79

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Solution

The fourth proportional to 119,833.74, 165,371.15 and 66,118.79 is: 91,244.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,833.74 : 165,371.15 = 66,118.79 : x
  2. Step 2: Convert to fraction form
    119,833.74/165,371.15 = 66,118.79/x
  3. Step 3: Cross multiply
    119,833.74x = 165,371.15 × 66,118.79
  4. Step 4: Simplify right side
    119,833.74x = 10,934,140,917.63
  5. Step 5: Solve for x
    x = 10,934,140,917.63/119,833.74
  6. Step 6: Final answer
    x = 91,244.26

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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.