Home / 236,309.40-354,464.10-78,562.20

Finding the Fourth Proportional to 236,309.40, 354,464.10 and 78,562.20

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Solution

The fourth proportional to 236,309.40, 354,464.10 and 78,562.20 is: 117,843.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,309.40 : 354,464.10 = 78,562.20 : x
  2. Step 2: Convert to fraction form
    236,309.40/354,464.10 = 78,562.20/x
  3. Step 3: Cross multiply
    236,309.40x = 354,464.10 × 78,562.20
  4. Step 4: Simplify right side
    236,309.40x = 27,847,479,517.02
  5. Step 5: Solve for x
    x = 27,847,479,517.02/236,309.40
  6. Step 6: Final answer
    x = 117,843.30

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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.