Home / 238,149.36-357,190.38-80,357.04

Finding the Fourth Proportional to 238,149.36, 357,190.38 and 80,357.04

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Solution

The fourth proportional to 238,149.36, 357,190.38 and 80,357.04 is: 120,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,149.36 : 357,190.38 = 80,357.04 : x
  2. Step 2: Convert to fraction form
    238,149.36/357,190.38 = 80,357.04/x
  3. Step 3: Cross multiply
    238,149.36x = 357,190.38 × 80,357.04
  4. Step 4: Simplify right side
    238,149.36x = 28,702,761,653.28
  5. Step 5: Solve for x
    x = 28,702,761,653.28/238,149.36
  6. Step 6: Final answer
    x = 120,524.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.