Home / 119,918.07-165,485.94-66,201.94

Finding the Fourth Proportional to 119,918.07, 165,485.94 and 66,201.94

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Solution

The fourth proportional to 119,918.07, 165,485.94 and 66,201.94 is: 91,358.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,918.07 : 165,485.94 = 66,201.94 : x
  2. Step 2: Convert to fraction form
    119,918.07/165,485.94 = 66,201.94/x
  3. Step 3: Cross multiply
    119,918.07x = 165,485.94 × 66,201.94
  4. Step 4: Simplify right side
    119,918.07x = 10,955,490,270.72
  5. Step 5: Solve for x
    x = 10,955,490,270.72/119,918.07
  6. Step 6: Final answer
    x = 91,358.13

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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.