Home / 319,836.72-441,363.11-176,593.69

Finding the Fourth Proportional to 319,836.72, 441,363.11 and 176,593.69

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Solution

The fourth proportional to 319,836.72, 441,363.11 and 176,593.69 is: 243,692.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,836.72 : 441,363.11 = 176,593.69 : x
  2. Step 2: Convert to fraction form
    319,836.72/441,363.11 = 176,593.69/x
  3. Step 3: Cross multiply
    319,836.72x = 441,363.11 × 176,593.69
  4. Step 4: Simplify right side
    319,836.72x = 77,941,937,134.99
  5. Step 5: Solve for x
    x = 77,941,937,134.99/319,836.72
  6. Step 6: Final answer
    x = 243,692.90

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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.