Home / 273,236.40-409,417.20-179,632.80

Finding the Fourth Proportional to 273,236.40, 409,417.20 and 179,632.80

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Solution

The fourth proportional to 273,236.40, 409,417.20 and 179,632.80 is: 269,161.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,236.40 : 409,417.20 = 179,632.80 : x
  2. Step 2: Convert to fraction form
    273,236.40/409,417.20 = 179,632.80/x
  3. Step 3: Cross multiply
    273,236.40x = 409,417.20 × 179,632.80
  4. Step 4: Simplify right side
    273,236.40x = 73,544,758,004.16
  5. Step 5: Solve for x
    x = 73,544,758,004.16/273,236.40
  6. Step 6: Final answer
    x = 269,161.64

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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.