Home / 206,345.37-309,478.70-64,192.41

Finding the Fourth Proportional to 206,345.37, 309,478.70 and 64,192.41

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Solution

The fourth proportional to 206,345.37, 309,478.70 and 64,192.41 is: 96,276.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,345.37 : 309,478.70 = 64,192.41 : x
  2. Step 2: Convert to fraction form
    206,345.37/309,478.70 = 64,192.41/x
  3. Step 3: Cross multiply
    206,345.37x = 309,478.70 × 64,192.41
  4. Step 4: Simplify right side
    206,345.37x = 19,866,183,757.15
  5. Step 5: Solve for x
    x = 19,866,183,757.15/206,345.37
  6. Step 6: Final answer
    x = 96,276.37

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1.5x scale

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.