Home / 120,905.96-181,358.62-32,159.48

Finding the Fourth Proportional to 120,905.96, 181,358.62 and 32,159.48

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Solution

The fourth proportional to 120,905.96, 181,358.62 and 32,159.48 is: 48,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,905.96 : 181,358.62 = 32,159.48 : x
  2. Step 2: Convert to fraction form
    120,905.96/181,358.62 = 32,159.48/x
  3. Step 3: Cross multiply
    120,905.96x = 181,358.62 × 32,159.48
  4. Step 4: Simplify right side
    120,905.96x = 5,832,398,912.72
  5. Step 5: Solve for x
    x = 5,832,398,912.72/120,905.96
  6. Step 6: Final answer
    x = 48,239.13

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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.