Home / 120,739.60-181,109.40-32,006.80

Finding the Fourth Proportional to 120,739.60, 181,109.40 and 32,006.80

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Solution

The fourth proportional to 120,739.60, 181,109.40 and 32,006.80 is: 48,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,739.60 : 181,109.40 = 32,006.80 : x
  2. Step 2: Convert to fraction form
    120,739.60/181,109.40 = 32,006.80/x
  3. Step 3: Cross multiply
    120,739.60x = 181,109.40 × 32,006.80
  4. Step 4: Simplify right side
    120,739.60x = 5,796,732,343.92
  5. Step 5: Solve for x
    x = 5,796,732,343.92/120,739.60
  6. Step 6: Final answer
    x = 48,010.20

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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.