Home / 293,211.38-440,555.34-186,644.36

Finding the Fourth Proportional to 293,211.38, 440,555.34 and 186,644.36

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Solution

The fourth proportional to 293,211.38, 440,555.34 and 186,644.36 is: 280,436.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,211.38 : 440,555.34 = 186,644.36 : x
  2. Step 2: Convert to fraction form
    293,211.38/440,555.34 = 186,644.36/x
  3. Step 3: Cross multiply
    293,211.38x = 440,555.34 × 186,644.36
  4. Step 4: Simplify right side
    293,211.38x = 82,227,169,478.88
  5. Step 5: Solve for x
    x = 82,227,169,478.88/293,211.38
  6. Step 6: Final answer
    x = 280,436.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.