Home / 116,845.16-161,146.96-98,783.96

Finding the Fourth Proportional to 116,845.16, 161,146.96 and 98,783.96

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Solution

The fourth proportional to 116,845.16, 161,146.96 and 98,783.96 is: 136,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,845.16 : 161,146.96 = 98,783.96 : x
  2. Step 2: Convert to fraction form
    116,845.16/161,146.96 = 98,783.96/x
  3. Step 3: Cross multiply
    116,845.16x = 161,146.96 × 98,783.96
  4. Step 4: Simplify right side
    116,845.16x = 15,918,734,850.76
  5. Step 5: Solve for x
    x = 15,918,734,850.76/116,845.16
  6. Step 6: Final answer
    x = 136,237.86

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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.