Home / 330,323.22-455,830.79-187,084.26

Finding the Fourth Proportional to 330,323.22, 455,830.79 and 187,084.26

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Solution

The fourth proportional to 330,323.22, 455,830.79 and 187,084.26 is: 258,167.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,323.22 : 455,830.79 = 187,084.26 : x
  2. Step 2: Convert to fraction form
    330,323.22/455,830.79 = 187,084.26/x
  3. Step 3: Cross multiply
    330,323.22x = 455,830.79 × 187,084.26
  4. Step 4: Simplify right side
    330,323.22x = 85,278,765,096.94
  5. Step 5: Solve for x
    x = 85,278,765,096.94/330,323.22
  6. Step 6: Final answer
    x = 258,167.64

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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.