Home / 221,259.10-331,845.45-73,515.10

Finding the Fourth Proportional to 221,259.10, 331,845.45 and 73,515.10

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Solution

The fourth proportional to 221,259.10, 331,845.45 and 73,515.10 is: 110,258.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,259.10 : 331,845.45 = 73,515.10 : x
  2. Step 2: Convert to fraction form
    221,259.10/331,845.45 = 73,515.10/x
  3. Step 3: Cross multiply
    221,259.10x = 331,845.45 × 73,515.10
  4. Step 4: Simplify right side
    221,259.10x = 24,395,651,441.30
  5. Step 5: Solve for x
    x = 24,395,651,441.30/221,259.10
  6. Step 6: Final answer
    x = 110,258.30

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1.5x scale

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.