Home / 330,033.83-455,431.01-202,684.82

Finding the Fourth Proportional to 330,033.83, 455,431.01 and 202,684.82

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Solution

The fourth proportional to 330,033.83, 455,431.01 and 202,684.82 is: 279,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,033.83 : 455,431.01 = 202,684.82 : x
  2. Step 2: Convert to fraction form
    330,033.83/455,431.01 = 202,684.82/x
  3. Step 3: Cross multiply
    330,033.83x = 455,431.01 × 202,684.82
  4. Step 4: Simplify right side
    330,033.83x = 92,308,948,993.69
  5. Step 5: Solve for x
    x = 92,308,948,993.69/330,033.83
  6. Step 6: Final answer
    x = 279,695.42

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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.