Home / 330,033.73-455,434.37-179,127.49

Finding the Fourth Proportional to 330,033.73, 455,434.37 and 179,127.49

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Solution

The fourth proportional to 330,033.73, 455,434.37 and 179,127.49 is: 247,189.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,033.73 : 455,434.37 = 179,127.49 : x
  2. Step 2: Convert to fraction form
    330,033.73/455,434.37 = 179,127.49/x
  3. Step 3: Cross multiply
    330,033.73x = 455,434.37 × 179,127.49
  4. Step 4: Simplify right side
    330,033.73x = 81,580,814,662.19
  5. Step 5: Solve for x
    x = 81,580,814,662.19/330,033.73
  6. Step 6: Final answer
    x = 247,189.32

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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.