Home / 331,811.98-457,887.35-195,889.72

Finding the Fourth Proportional to 331,811.98, 457,887.35 and 195,889.72

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Solution

The fourth proportional to 331,811.98, 457,887.35 and 195,889.72 is: 270,320.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,811.98 : 457,887.35 = 195,889.72 : x
  2. Step 2: Convert to fraction form
    331,811.98/457,887.35 = 195,889.72/x
  3. Step 3: Cross multiply
    331,811.98x = 457,887.35 × 195,889.72
  4. Step 4: Simplify right side
    331,811.98x = 89,695,424,783.04
  5. Step 5: Solve for x
    x = 89,695,424,783.04/331,811.98
  6. Step 6: Final answer
    x = 270,320.03

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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.