Home / 116,016.64-159,962.88-98,080

Finding the Fourth Proportional to 116,016.64, 159,962.88 and 98,080

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Solution

The fourth proportional to 116,016.64, 159,962.88 and 98,080 is: 135,231.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,016.64 : 159,962.88 = 98,080 : x
  2. Step 2: Convert to fraction form
    116,016.64/159,962.88 = 98,080/x
  3. Step 3: Cross multiply
    116,016.64x = 159,962.88 × 98,080
  4. Step 4: Simplify right side
    116,016.64x = 15,689,159,270.40
  5. Step 5: Solve for x
    x = 15,689,159,270.40/116,016.64
  6. Step 6: Final answer
    x = 135,231.97

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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.