Home / 120,261.20-180,390.52-37,155.92

Finding the Fourth Proportional to 120,261.20, 180,390.52 and 37,155.92

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Solution

The fourth proportional to 120,261.20, 180,390.52 and 37,155.92 is: 55,733.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,261.20 : 180,390.52 = 37,155.92 : x
  2. Step 2: Convert to fraction form
    120,261.20/180,390.52 = 37,155.92/x
  3. Step 3: Cross multiply
    120,261.20x = 180,390.52 × 37,155.92
  4. Step 4: Simplify right side
    120,261.20x = 6,702,575,729.88
  5. Step 5: Solve for x
    x = 6,702,575,729.88/120,261.20
  6. Step 6: Final answer
    x = 55,733.48

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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.