Home / 376,876.13-520,091.06-204,795.45

Finding the Fourth Proportional to 376,876.13, 520,091.06 and 204,795.45

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Solution

The fourth proportional to 376,876.13, 520,091.06 and 204,795.45 is: 282,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,876.13 : 520,091.06 = 204,795.45 : x
  2. Step 2: Convert to fraction form
    376,876.13/520,091.06 = 204,795.45/x
  3. Step 3: Cross multiply
    376,876.13x = 520,091.06 × 204,795.45
  4. Step 4: Simplify right side
    376,876.13x = 106,512,281,649.70
  5. Step 5: Solve for x
    x = 106,512,281,649.70/376,876.13
  6. Step 6: Final answer
    x = 282,618.81

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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.