Home / 157,571.45-217,443.22-93,908.09

Finding the Fourth Proportional to 157,571.45, 217,443.22 and 93,908.09

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Solution

The fourth proportional to 157,571.45, 217,443.22 and 93,908.09 is: 129,589.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,571.45 : 217,443.22 = 93,908.09 : x
  2. Step 2: Convert to fraction form
    157,571.45/217,443.22 = 93,908.09/x
  3. Step 3: Cross multiply
    157,571.45x = 217,443.22 × 93,908.09
  4. Step 4: Simplify right side
    157,571.45x = 20,419,677,473.65
  5. Step 5: Solve for x
    x = 20,419,677,473.65/157,571.45
  6. Step 6: Final answer
    x = 129,589.96

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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.