Home / 101,481.23-152,218.70-48,211.55

Finding the Fourth Proportional to 101,481.23, 152,218.70 and 48,211.55

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Solution

The fourth proportional to 101,481.23, 152,218.70 and 48,211.55 is: 72,315.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,481.23 : 152,218.70 = 48,211.55 : x
  2. Step 2: Convert to fraction form
    101,481.23/152,218.70 = 48,211.55/x
  3. Step 3: Cross multiply
    101,481.23x = 152,218.70 × 48,211.55
  4. Step 4: Simplify right side
    101,481.23x = 7,338,699,465.99
  5. Step 5: Solve for x
    x = 7,338,699,465.99/101,481.23
  6. Step 6: Final answer
    x = 72,315.83

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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.