Home / 111,933.92-154,418.90-75,623.69

Finding the Fourth Proportional to 111,933.92, 154,418.90 and 75,623.69

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Solution

The fourth proportional to 111,933.92, 154,418.90 and 75,623.69 is: 104,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,933.92 : 154,418.90 = 75,623.69 : x
  2. Step 2: Convert to fraction form
    111,933.92/154,418.90 = 75,623.69/x
  3. Step 3: Cross multiply
    111,933.92x = 154,418.90 × 75,623.69
  4. Step 4: Simplify right side
    111,933.92x = 11,677,725,873.53
  5. Step 5: Solve for x
    x = 11,677,725,873.53/111,933.92
  6. Step 6: Final answer
    x = 104,326.97

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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.