Home / 331,518.48-457,550.37-195,585.66

Finding the Fourth Proportional to 331,518.48, 457,550.37 and 195,585.66

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Solution

The fourth proportional to 331,518.48, 457,550.37 and 195,585.66 is: 269,940.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,518.48 : 457,550.37 = 195,585.66 : x
  2. Step 2: Convert to fraction form
    331,518.48/457,550.37 = 195,585.66/x
  3. Step 3: Cross multiply
    331,518.48x = 457,550.37 × 195,585.66
  4. Step 4: Simplify right side
    331,518.48x = 89,490,291,099.69
  5. Step 5: Solve for x
    x = 89,490,291,099.69/331,518.48
  6. Step 6: Final answer
    x = 269,940.58

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1.5x scale

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.