Home / 120,172.96-180,257.44-35,933.32

Finding the Fourth Proportional to 120,172.96, 180,257.44 and 35,933.32

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Solution

The fourth proportional to 120,172.96, 180,257.44 and 35,933.32 is: 53,899.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,172.96 : 180,257.44 = 35,933.32 : x
  2. Step 2: Convert to fraction form
    120,172.96/180,257.44 = 35,933.32/x
  3. Step 3: Cross multiply
    120,172.96x = 180,257.44 × 35,933.32
  4. Step 4: Simplify right side
    120,172.96x = 6,477,248,273.90
  5. Step 5: Solve for x
    x = 6,477,248,273.90/120,172.96
  6. Step 6: Final answer
    x = 53,899.38

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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.