Home / 154,616.24-213,400.68-91,008.56

Finding the Fourth Proportional to 154,616.24, 213,400.68 and 91,008.56

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Solution

The fourth proportional to 154,616.24, 213,400.68 and 91,008.56 is: 125,609.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,616.24 : 213,400.68 = 91,008.56 : x
  2. Step 2: Convert to fraction form
    154,616.24/213,400.68 = 91,008.56/x
  3. Step 3: Cross multiply
    154,616.24x = 213,400.68 × 91,008.56
  4. Step 4: Simplify right side
    154,616.24x = 19,421,288,589.82
  5. Step 5: Solve for x
    x = 19,421,288,589.82/154,616.24
  6. Step 6: Final answer
    x = 125,609.63

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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.