Home / 331,342.86-457,265.07-195,314.70

Finding the Fourth Proportional to 331,342.86, 457,265.07 and 195,314.70

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Solution

The fourth proportional to 331,342.86, 457,265.07 and 195,314.70 is: 269,541.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,342.86 : 457,265.07 = 195,314.70 : x
  2. Step 2: Convert to fraction form
    331,342.86/457,265.07 = 195,314.70/x
  3. Step 3: Cross multiply
    331,342.86x = 457,265.07 × 195,314.70
  4. Step 4: Simplify right side
    331,342.86x = 89,310,589,967.53
  5. Step 5: Solve for x
    x = 89,310,589,967.53/331,342.86
  6. Step 6: Final answer
    x = 269,541.31

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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.