Home / 152,433.60-228,322.35-126,189.60

Finding the Fourth Proportional to 152,433.60, 228,322.35 and 126,189.60

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Solution

The fourth proportional to 152,433.60, 228,322.35 and 126,189.60 is: 189,012.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,433.60 : 228,322.35 = 126,189.60 : x
  2. Step 2: Convert to fraction form
    152,433.60/228,322.35 = 126,189.60/x
  3. Step 3: Cross multiply
    152,433.60x = 228,322.35 × 126,189.60
  4. Step 4: Simplify right side
    152,433.60x = 28,811,906,017.56
  5. Step 5: Solve for x
    x = 28,811,906,017.56/152,433.60
  6. Step 6: Final answer
    x = 189,012.83

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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.