Home / 293,607.21-440,286.87-91,178.49

Finding the Fourth Proportional to 293,607.21, 440,286.87 and 91,178.49

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Solution

The fourth proportional to 293,607.21, 440,286.87 and 91,178.49 is: 136,729.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,607.21 : 440,286.87 = 91,178.49 : x
  2. Step 2: Convert to fraction form
    293,607.21/440,286.87 = 91,178.49/x
  3. Step 3: Cross multiply
    293,607.21x = 440,286.87 × 91,178.49
  4. Step 4: Simplify right side
    293,607.21x = 40,144,691,973.43
  5. Step 5: Solve for x
    x = 40,144,691,973.43/293,607.21
  6. Step 6: Final answer
    x = 136,729.24

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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.