Home / 376,943.74-520,186.39-204,861.72

Finding the Fourth Proportional to 376,943.74, 520,186.39 and 204,861.72

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Solution

The fourth proportional to 376,943.74, 520,186.39 and 204,861.72 is: 282,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,943.74 : 520,186.39 = 204,861.72 : x
  2. Step 2: Convert to fraction form
    376,943.74/520,186.39 = 204,861.72/x
  3. Step 3: Cross multiply
    376,943.74x = 520,186.39 × 204,861.72
  4. Step 4: Simplify right side
    376,943.74x = 106,566,274,950.75
  5. Step 5: Solve for x
    x = 106,566,274,950.75/376,943.74
  6. Step 6: Final answer
    x = 282,711.35

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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.