Home / 336,520.40-504,671.34-111,820.50

Finding the Fourth Proportional to 336,520.40, 504,671.34 and 111,820.50

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Solution

The fourth proportional to 336,520.40, 504,671.34 and 111,820.50 is: 167,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,520.40 : 504,671.34 = 111,820.50 : x
  2. Step 2: Convert to fraction form
    336,520.40/504,671.34 = 111,820.50/x
  3. Step 3: Cross multiply
    336,520.40x = 504,671.34 × 111,820.50
  4. Step 4: Simplify right side
    336,520.40x = 56,432,601,574.47
  5. Step 5: Solve for x
    x = 56,432,601,574.47/336,520.40
  6. Step 6: Final answer
    x = 167,694.44

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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.