Home / 116,836.16-161,134.56-98,774.96

Finding the Fourth Proportional to 116,836.16, 161,134.56 and 98,774.96

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Solution

The fourth proportional to 116,836.16, 161,134.56 and 98,774.96 is: 136,225.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,836.16 : 161,134.56 = 98,774.96 : x
  2. Step 2: Convert to fraction form
    116,836.16/161,134.56 = 98,774.96/x
  3. Step 3: Cross multiply
    116,836.16x = 161,134.56 × 98,774.96
  4. Step 4: Simplify right side
    116,836.16x = 15,916,059,718.62
  5. Step 5: Solve for x
    x = 15,916,059,718.62/116,836.16
  6. Step 6: Final answer
    x = 136,225.46

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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.