Home / 152,221.22-228,327.10-72,316.69

Finding the Fourth Proportional to 152,221.22, 228,327.10 and 72,316.69

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Solution

The fourth proportional to 152,221.22, 228,327.10 and 72,316.69 is: 108,472.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,221.22 : 228,327.10 = 72,316.69 : x
  2. Step 2: Convert to fraction form
    152,221.22/228,327.10 = 72,316.69/x
  3. Step 3: Cross multiply
    152,221.22x = 228,327.10 × 72,316.69
  4. Step 4: Simplify right side
    152,221.22x = 16,511,859,357.69
  5. Step 5: Solve for x
    x = 16,511,859,357.69/152,221.22
  6. Step 6: Final answer
    x = 108,472.79

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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.