Home / 116,802.12-161,182.26-69,083.40

Finding the Fourth Proportional to 116,802.12, 161,182.26 and 69,083.40

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Solution

The fourth proportional to 116,802.12, 161,182.26 and 69,083.40 is: 95,332.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,802.12 : 161,182.26 = 69,083.40 : x
  2. Step 2: Convert to fraction form
    116,802.12/161,182.26 = 69,083.40/x
  3. Step 3: Cross multiply
    116,802.12x = 161,182.26 × 69,083.40
  4. Step 4: Simplify right side
    116,802.12x = 11,135,018,540.48
  5. Step 5: Solve for x
    x = 11,135,018,540.48/116,802.12
  6. Step 6: Final answer
    x = 95,332.33

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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.