Home / 165,186.70-247,780.22-45,234.88

Finding the Fourth Proportional to 165,186.70, 247,780.22 and 45,234.88

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Solution

The fourth proportional to 165,186.70, 247,780.22 and 45,234.88 is: 67,852.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,186.70 : 247,780.22 = 45,234.88 : x
  2. Step 2: Convert to fraction form
    165,186.70/247,780.22 = 45,234.88/x
  3. Step 3: Cross multiply
    165,186.70x = 247,780.22 × 45,234.88
  4. Step 4: Simplify right side
    165,186.70x = 11,208,307,672.45
  5. Step 5: Solve for x
    x = 11,208,307,672.45/165,186.70
  6. Step 6: Final answer
    x = 67,852.36

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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.