Home / 152,157.44-228,290.12-67,909.92

Finding the Fourth Proportional to 152,157.44, 228,290.12 and 67,909.92

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Solution

The fourth proportional to 152,157.44, 228,290.12 and 67,909.92 is: 101,888.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,157.44 : 228,290.12 = 67,909.92 : x
  2. Step 2: Convert to fraction form
    152,157.44/228,290.12 = 67,909.92/x
  3. Step 3: Cross multiply
    152,157.44x = 228,290.12 × 67,909.92
  4. Step 4: Simplify right side
    152,157.44x = 15,503,163,785.99
  5. Step 5: Solve for x
    x = 15,503,163,785.99/152,157.44
  6. Step 6: Final answer
    x = 101,888.96

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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.