Home / 120,918.72-181,377.84-32,172.21

Finding the Fourth Proportional to 120,918.72, 181,377.84 and 32,172.21

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Solution

The fourth proportional to 120,918.72, 181,377.84 and 32,172.21 is: 48,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,918.72 : 181,377.84 = 32,172.21 : x
  2. Step 2: Convert to fraction form
    120,918.72/181,377.84 = 32,172.21/x
  3. Step 3: Cross multiply
    120,918.72x = 181,377.84 × 32,172.21
  4. Step 4: Simplify right side
    120,918.72x = 5,835,325,957.83
  5. Step 5: Solve for x
    x = 5,835,325,957.83/120,918.72
  6. Step 6: Final answer
    x = 48,258.25

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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.