Home / 119,719.52-165,220.36-66,004.44

Finding the Fourth Proportional to 119,719.52, 165,220.36 and 66,004.44

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Solution

The fourth proportional to 119,719.52, 165,220.36 and 66,004.44 is: 91,090.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,719.52 : 165,220.36 = 66,004.44 : x
  2. Step 2: Convert to fraction form
    119,719.52/165,220.36 = 66,004.44/x
  3. Step 3: Cross multiply
    119,719.52x = 165,220.36 × 66,004.44
  4. Step 4: Simplify right side
    119,719.52x = 10,905,276,553.81
  5. Step 5: Solve for x
    x = 10,905,276,553.81/119,719.52
  6. Step 6: Final answer
    x = 91,090.21

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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.