Home / 218,829.60-328,255.20-113,853.60

Finding the Fourth Proportional to 218,829.60, 328,255.20 and 113,853.60

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Solution

The fourth proportional to 218,829.60, 328,255.20 and 113,853.60 is: 170,786.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,829.60 : 328,255.20 = 113,853.60 : x
  2. Step 2: Convert to fraction form
    218,829.60/328,255.20 = 113,853.60/x
  3. Step 3: Cross multiply
    218,829.60x = 328,255.20 × 113,853.60
  4. Step 4: Simplify right side
    218,829.60x = 37,373,036,238.72
  5. Step 5: Solve for x
    x = 37,373,036,238.72/218,829.60
  6. Step 6: Final answer
    x = 170,786.02

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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.