Home / 330,059.10-455,481.72-186,816.27

Finding the Fourth Proportional to 330,059.10, 455,481.72 and 186,816.27

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Solution

The fourth proportional to 330,059.10, 455,481.72 and 186,816.27 is: 257,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,059.10 : 455,481.72 = 186,816.27 : x
  2. Step 2: Convert to fraction form
    330,059.10/455,481.72 = 186,816.27/x
  3. Step 3: Cross multiply
    330,059.10x = 455,481.72 × 186,816.27
  4. Step 4: Simplify right side
    330,059.10x = 85,091,395,983.58
  5. Step 5: Solve for x
    x = 85,091,395,983.58/330,059.10
  6. Step 6: Final answer
    x = 257,806.54

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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.