Home / 152,433.35-228,321.98-126,189.35

Finding the Fourth Proportional to 152,433.35, 228,321.98 and 126,189.35

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Solution

The fourth proportional to 152,433.35, 228,321.98 and 126,189.35 is: 189,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,433.35 : 228,321.98 = 126,189.35 : x
  2. Step 2: Convert to fraction form
    152,433.35/228,321.98 = 126,189.35/x
  3. Step 3: Cross multiply
    152,433.35x = 228,321.98 × 126,189.35
  4. Step 4: Simplify right side
    152,433.35x = 28,811,801,615.97
  5. Step 5: Solve for x
    x = 28,811,801,615.97/152,433.35
  6. Step 6: Final answer
    x = 189,012.45

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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.