Home / 320,937.42-442,900.56-175,749.33

Finding the Fourth Proportional to 320,937.42, 442,900.56 and 175,749.33

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Solution

The fourth proportional to 320,937.42, 442,900.56 and 175,749.33 is: 242,537.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,937.42 : 442,900.56 = 175,749.33 : x
  2. Step 2: Convert to fraction form
    320,937.42/442,900.56 = 175,749.33/x
  3. Step 3: Cross multiply
    320,937.42x = 442,900.56 × 175,749.33
  4. Step 4: Simplify right side
    320,937.42x = 77,839,476,676.62
  5. Step 5: Solve for x
    x = 77,839,476,676.62/320,937.42
  6. Step 6: Final answer
    x = 242,537.87

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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.