Home / 152,326.40-228,489.60-135,996.80

Finding the Fourth Proportional to 152,326.40, 228,489.60 and 135,996.80

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Solution

The fourth proportional to 152,326.40, 228,489.60 and 135,996.80 is: 203,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,326.40 : 228,489.60 = 135,996.80 : x
  2. Step 2: Convert to fraction form
    152,326.40/228,489.60 = 135,996.80/x
  3. Step 3: Cross multiply
    152,326.40x = 228,489.60 × 135,996.80
  4. Step 4: Simplify right side
    152,326.40x = 31,073,854,433.28
  5. Step 5: Solve for x
    x = 31,073,854,433.28/152,326.40
  6. Step 6: Final answer
    x = 203,995.20

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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.