Home / 116,912.46-161,340.75-69,164.58

Finding the Fourth Proportional to 116,912.46, 161,340.75 and 69,164.58

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Solution

The fourth proportional to 116,912.46, 161,340.75 and 69,164.58 is: 95,448.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,912.46 : 161,340.75 = 69,164.58 : x
  2. Step 2: Convert to fraction form
    116,912.46/161,340.75 = 69,164.58/x
  3. Step 3: Cross multiply
    116,912.46x = 161,340.75 × 69,164.58
  4. Step 4: Simplify right side
    116,912.46x = 11,159,065,210.64
  5. Step 5: Solve for x
    x = 11,159,065,210.64/116,912.46
  6. Step 6: Final answer
    x = 95,448.04

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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.