Home / 275,536.24-412,909.64-156,962.72

Finding the Fourth Proportional to 275,536.24, 412,909.64 and 156,962.72

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Solution

The fourth proportional to 275,536.24, 412,909.64 and 156,962.72 is: 235,219.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,536.24 : 412,909.64 = 156,962.72 : x
  2. Step 2: Convert to fraction form
    275,536.24/412,909.64 = 156,962.72/x
  3. Step 3: Cross multiply
    275,536.24x = 412,909.64 × 156,962.72
  4. Step 4: Simplify right side
    275,536.24x = 64,811,420,208.62
  5. Step 5: Solve for x
    x = 64,811,420,208.62/275,536.24
  6. Step 6: Final answer
    x = 235,219.22

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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.