Home / 277,192.41-382,178.94-231,318.20

Finding the Fourth Proportional to 277,192.41, 382,178.94 and 231,318.20

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Solution

The fourth proportional to 277,192.41, 382,178.94 and 231,318.20 is: 318,929.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,192.41 : 382,178.94 = 231,318.20 : x
  2. Step 2: Convert to fraction form
    277,192.41/382,178.94 = 231,318.20/x
  3. Step 3: Cross multiply
    277,192.41x = 382,178.94 × 231,318.20
  4. Step 4: Simplify right side
    277,192.41x = 88,404,942,567.81
  5. Step 5: Solve for x
    x = 88,404,942,567.81/277,192.41
  6. Step 6: Final answer
    x = 318,929.88

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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.