Home / 330,461.16-456,039.20-179,558.16

Finding the Fourth Proportional to 330,461.16, 456,039.20 and 179,558.16

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Solution

The fourth proportional to 330,461.16, 456,039.20 and 179,558.16 is: 247,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,461.16 : 456,039.20 = 179,558.16 : x
  2. Step 2: Convert to fraction form
    330,461.16/456,039.20 = 179,558.16/x
  3. Step 3: Cross multiply
    330,461.16x = 456,039.20 × 179,558.16
  4. Step 4: Simplify right side
    330,461.16x = 81,885,559,639.87
  5. Step 5: Solve for x
    x = 81,885,559,639.87/330,461.16
  6. Step 6: Final answer
    x = 247,791.78

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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.