Home / 180,997.81-249,783.68-109,363.97

Finding the Fourth Proportional to 180,997.81, 249,783.68 and 109,363.97

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Solution

The fourth proportional to 180,997.81, 249,783.68 and 109,363.97 is: 150,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,997.81 : 249,783.68 = 109,363.97 : x
  2. Step 2: Convert to fraction form
    180,997.81/249,783.68 = 109,363.97/x
  3. Step 3: Cross multiply
    180,997.81x = 249,783.68 × 109,363.97
  4. Step 4: Simplify right side
    180,997.81x = 27,317,335,783.88
  5. Step 5: Solve for x
    x = 27,317,335,783.88/180,997.81
  6. Step 6: Final answer
    x = 150,926.34

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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.