Home / 154,282.22-231,340.11-69,996.39

Finding the Fourth Proportional to 154,282.22, 231,340.11 and 69,996.39

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Solution

The fourth proportional to 154,282.22, 231,340.11 and 69,996.39 is: 104,956.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,282.22 : 231,340.11 = 69,996.39 : x
  2. Step 2: Convert to fraction form
    154,282.22/231,340.11 = 69,996.39/x
  3. Step 3: Cross multiply
    154,282.22x = 231,340.11 × 69,996.39
  4. Step 4: Simplify right side
    154,282.22x = 16,192,973,315.54
  5. Step 5: Solve for x
    x = 16,192,973,315.54/154,282.22
  6. Step 6: Final answer
    x = 104,956.84

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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.