Home / 286,470.24-395,180.64-194,594.24

Finding the Fourth Proportional to 286,470.24, 395,180.64 and 194,594.24

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Solution

The fourth proportional to 286,470.24, 395,180.64 and 194,594.24 is: 268,439.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,470.24 : 395,180.64 = 194,594.24 : x
  2. Step 2: Convert to fraction form
    286,470.24/395,180.64 = 194,594.24/x
  3. Step 3: Cross multiply
    286,470.24x = 395,180.64 × 194,594.24
  4. Step 4: Simplify right side
    286,470.24x = 76,899,874,327.61
  5. Step 5: Solve for x
    x = 76,899,874,327.61/286,470.24
  6. Step 6: Final answer
    x = 268,439.31

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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.