Home / 116,982.09-161,288.82-97,628.76

Finding the Fourth Proportional to 116,982.09, 161,288.82 and 97,628.76

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Solution

The fourth proportional to 116,982.09, 161,288.82 and 97,628.76 is: 134,605.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,982.09 : 161,288.82 = 97,628.76 : x
  2. Step 2: Convert to fraction form
    116,982.09/161,288.82 = 97,628.76/x
  3. Step 3: Cross multiply
    116,982.09x = 161,288.82 × 97,628.76
  4. Step 4: Simplify right side
    116,982.09x = 15,746,427,498.46
  5. Step 5: Solve for x
    x = 15,746,427,498.46/116,982.09
  6. Step 6: Final answer
    x = 134,605.46

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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.