Home / 180,909.55-249,622.98-109,241.56

Finding the Fourth Proportional to 180,909.55, 249,622.98 and 109,241.56

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Solution

The fourth proportional to 180,909.55, 249,622.98 and 109,241.56 is: 150,733.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,909.55 : 249,622.98 = 109,241.56 : x
  2. Step 2: Convert to fraction form
    180,909.55/249,622.98 = 109,241.56/x
  3. Step 3: Cross multiply
    180,909.55x = 249,622.98 × 109,241.56
  4. Step 4: Simplify right side
    180,909.55x = 27,269,203,747.05
  5. Step 5: Solve for x
    x = 27,269,203,747.05/180,909.55
  6. Step 6: Final answer
    x = 150,733.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.