Home / 154,869.24-213,493.33-109,467.12

Finding the Fourth Proportional to 154,869.24, 213,493.33 and 109,467.12

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Solution

The fourth proportional to 154,869.24, 213,493.33 and 109,467.12 is: 150,904.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,869.24 : 213,493.33 = 109,467.12 : x
  2. Step 2: Convert to fraction form
    154,869.24/213,493.33 = 109,467.12/x
  3. Step 3: Cross multiply
    154,869.24x = 213,493.33 × 109,467.12
  4. Step 4: Simplify right side
    154,869.24x = 23,370,499,974.31
  5. Step 5: Solve for x
    x = 23,370,499,974.31/154,869.24
  6. Step 6: Final answer
    x = 150,904.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.