Home / 165,238.96-247,655.40-76,372.24

Finding the Fourth Proportional to 165,238.96, 247,655.40 and 76,372.24

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Solution

The fourth proportional to 165,238.96, 247,655.40 and 76,372.24 is: 114,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,238.96 : 247,655.40 = 76,372.24 : x
  2. Step 2: Convert to fraction form
    165,238.96/247,655.40 = 76,372.24/x
  3. Step 3: Cross multiply
    165,238.96x = 247,655.40 × 76,372.24
  4. Step 4: Simplify right side
    165,238.96x = 18,913,997,646.10
  5. Step 5: Solve for x
    x = 18,913,997,646.10/165,238.96
  6. Step 6: Final answer
    x = 114,464.52

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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.