Home / 225,545.14-311,072.70-144,980.92

Finding the Fourth Proportional to 225,545.14, 311,072.70 and 144,980.92

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Solution

The fourth proportional to 225,545.14, 311,072.70 and 144,980.92 is: 199,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,545.14 : 311,072.70 = 144,980.92 : x
  2. Step 2: Convert to fraction form
    225,545.14/311,072.70 = 144,980.92/x
  3. Step 3: Cross multiply
    225,545.14x = 311,072.70 × 144,980.92
  4. Step 4: Simplify right side
    225,545.14x = 45,099,606,232.88
  5. Step 5: Solve for x
    x = 45,099,606,232.88/225,545.14
  6. Step 6: Final answer
    x = 199,958.23

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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.