Home / 120,921.07-181,381.39-32,174.61

Finding the Fourth Proportional to 120,921.07, 181,381.39 and 32,174.61

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Solution

The fourth proportional to 120,921.07, 181,381.39 and 32,174.61 is: 48,261.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,921.07 : 181,381.39 = 32,174.61 : x
  2. Step 2: Convert to fraction form
    120,921.07/181,381.39 = 32,174.61/x
  3. Step 3: Cross multiply
    120,921.07x = 181,381.39 × 32,174.61
  4. Step 4: Simplify right side
    120,921.07x = 5,835,875,484.51
  5. Step 5: Solve for x
    x = 5,835,875,484.51/120,921.07
  6. Step 6: Final answer
    x = 48,261.86

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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.