Home / 120,869.54-181,241.66-63,974.28

Finding the Fourth Proportional to 120,869.54, 181,241.66 and 63,974.28

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Solution

The fourth proportional to 120,869.54, 181,241.66 and 63,974.28 is: 95,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,869.54 : 181,241.66 = 63,974.28 : x
  2. Step 2: Convert to fraction form
    120,869.54/181,241.66 = 63,974.28/x
  3. Step 3: Cross multiply
    120,869.54x = 181,241.66 × 63,974.28
  4. Step 4: Simplify right side
    120,869.54x = 11,594,805,544.10
  5. Step 5: Solve for x
    x = 11,594,805,544.10/120,869.54
  6. Step 6: Final answer
    x = 95,928.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.