Home / 102,998.12-154,348.14-50,348.12

Finding the Fourth Proportional to 102,998.12, 154,348.14 and 50,348.12

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Solution

The fourth proportional to 102,998.12, 154,348.14 and 50,348.12 is: 75,449.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,998.12 : 154,348.14 = 50,348.12 : x
  2. Step 2: Convert to fraction form
    102,998.12/154,348.14 = 50,348.12/x
  3. Step 3: Cross multiply
    102,998.12x = 154,348.14 × 50,348.12
  4. Step 4: Simplify right side
    102,998.12x = 7,771,138,674.50
  5. Step 5: Solve for x
    x = 7,771,138,674.50/102,998.12
  6. Step 6: Final answer
    x = 75,449.33

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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.