Home / 336,649.20-464,155.70-215,591.46

Finding the Fourth Proportional to 336,649.20, 464,155.70 and 215,591.46

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Solution

The fourth proportional to 336,649.20, 464,155.70 and 215,591.46 is: 297,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,649.20 : 464,155.70 = 215,591.46 : x
  2. Step 2: Convert to fraction form
    336,649.20/464,155.70 = 215,591.46/x
  3. Step 3: Cross multiply
    336,649.20x = 464,155.70 × 215,591.46
  4. Step 4: Simplify right side
    336,649.20x = 100,068,003,952.37
  5. Step 5: Solve for x
    x = 100,068,003,952.37/336,649.20
  6. Step 6: Final answer
    x = 297,247.12

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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.