Home / 230,981.20-345,703.80-167,621.20

Finding the Fourth Proportional to 230,981.20, 345,703.80 and 167,621.20

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Solution

The fourth proportional to 230,981.20, 345,703.80 and 167,621.20 is: 250,874.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,981.20 : 345,703.80 = 167,621.20 : x
  2. Step 2: Convert to fraction form
    230,981.20/345,703.80 = 167,621.20/x
  3. Step 3: Cross multiply
    230,981.20x = 345,703.80 × 167,621.20
  4. Step 4: Simplify right side
    230,981.20x = 57,947,285,800.56
  5. Step 5: Solve for x
    x = 57,947,285,800.56/230,981.20
  6. Step 6: Final answer
    x = 250,874.47

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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.