Home / 120,837.60-181,256.40-32,104.80

Finding the Fourth Proportional to 120,837.60, 181,256.40 and 32,104.80

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Solution

The fourth proportional to 120,837.60, 181,256.40 and 32,104.80 is: 48,157.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,837.60 : 181,256.40 = 32,104.80 : x
  2. Step 2: Convert to fraction form
    120,837.60/181,256.40 = 32,104.80/x
  3. Step 3: Cross multiply
    120,837.60x = 181,256.40 × 32,104.80
  4. Step 4: Simplify right side
    120,837.60x = 5,819,200,470.72
  5. Step 5: Solve for x
    x = 5,819,200,470.72/120,837.60
  6. Step 6: Final answer
    x = 48,157.20

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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.