Home / 354,254.20-488,846.36-199,228.66

Finding the Fourth Proportional to 354,254.20, 488,846.36 and 199,228.66

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Solution

The fourth proportional to 354,254.20, 488,846.36 and 199,228.66 is: 274,921.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,254.20 : 488,846.36 = 199,228.66 : x
  2. Step 2: Convert to fraction form
    354,254.20/488,846.36 = 199,228.66/x
  3. Step 3: Cross multiply
    354,254.20x = 488,846.36 × 199,228.66
  4. Step 4: Simplify right side
    354,254.20x = 97,392,205,248.68
  5. Step 5: Solve for x
    x = 97,392,205,248.68/354,254.20
  6. Step 6: Final answer
    x = 274,921.81

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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.