Home / 165,014.24-247,646.72-120,755.21

Finding the Fourth Proportional to 165,014.24, 247,646.72 and 120,755.21

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Solution

The fourth proportional to 165,014.24, 247,646.72 and 120,755.21 is: 181,224.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,014.24 : 247,646.72 = 120,755.21 : x
  2. Step 2: Convert to fraction form
    165,014.24/247,646.72 = 120,755.21/x
  3. Step 3: Cross multiply
    165,014.24x = 247,646.72 × 120,755.21
  4. Step 4: Simplify right side
    165,014.24x = 29,904,630,743.07
  5. Step 5: Solve for x
    x = 29,904,630,743.07/165,014.24
  6. Step 6: Final answer
    x = 181,224.55

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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.