Home / 119,619.33-165,080.25-71,210.30

Finding the Fourth Proportional to 119,619.33, 165,080.25 and 71,210.30

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Solution

The fourth proportional to 119,619.33, 165,080.25 and 71,210.30 is: 98,273.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,619.33 : 165,080.25 = 71,210.30 : x
  2. Step 2: Convert to fraction form
    119,619.33/165,080.25 = 71,210.30/x
  3. Step 3: Cross multiply
    119,619.33x = 165,080.25 × 71,210.30
  4. Step 4: Simplify right side
    119,619.33x = 11,755,413,301.17
  5. Step 5: Solve for x
    x = 11,755,413,301.17/119,619.33
  6. Step 6: Final answer
    x = 98,273.53

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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.