Home / 351,171.20-484,612.88-190,022.72

Finding the Fourth Proportional to 351,171.20, 484,612.88 and 190,022.72

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Solution

The fourth proportional to 351,171.20, 484,612.88 and 190,022.72 is: 262,229.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,171.20 : 484,612.88 = 190,022.72 : x
  2. Step 2: Convert to fraction form
    351,171.20/484,612.88 = 190,022.72/x
  3. Step 3: Cross multiply
    351,171.20x = 484,612.88 × 190,022.72
  4. Step 4: Simplify right side
    351,171.20x = 92,087,457,604.63
  5. Step 5: Solve for x
    x = 92,087,457,604.63/351,171.20
  6. Step 6: Final answer
    x = 262,229.53

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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.