Home / 331,403.49-457,340.03-188,166.74

Finding the Fourth Proportional to 331,403.49, 457,340.03 and 188,166.74

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Solution

The fourth proportional to 331,403.49, 457,340.03 and 188,166.74 is: 259,671.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,403.49 : 457,340.03 = 188,166.74 : x
  2. Step 2: Convert to fraction form
    331,403.49/457,340.03 = 188,166.74/x
  3. Step 3: Cross multiply
    331,403.49x = 457,340.03 × 188,166.74
  4. Step 4: Simplify right side
    331,403.49x = 86,056,179,289.07
  5. Step 5: Solve for x
    x = 86,056,179,289.07/331,403.49
  6. Step 6: Final answer
    x = 259,671.92

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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.