Home / 146,145.12-219,234.96-46,309.92

Finding the Fourth Proportional to 146,145.12, 219,234.96 and 46,309.92

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Solution

The fourth proportional to 146,145.12, 219,234.96 and 46,309.92 is: 69,470.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,145.12 : 219,234.96 = 46,309.92 : x
  2. Step 2: Convert to fraction form
    146,145.12/219,234.96 = 46,309.92/x
  3. Step 3: Cross multiply
    146,145.12x = 219,234.96 × 46,309.92
  4. Step 4: Simplify right side
    146,145.12x = 10,152,753,458.80
  5. Step 5: Solve for x
    x = 10,152,753,458.80/146,145.12
  6. Step 6: Final answer
    x = 69,470.36

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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.