Home / 376,905.95-520,135.28-204,827.33

Finding the Fourth Proportional to 376,905.95, 520,135.28 and 204,827.33

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Solution

The fourth proportional to 376,905.95, 520,135.28 and 204,827.33 is: 282,664.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,905.95 : 520,135.28 = 204,827.33 : x
  2. Step 2: Convert to fraction form
    376,905.95/520,135.28 = 204,827.33/x
  3. Step 3: Cross multiply
    376,905.95x = 520,135.28 × 204,827.33
  4. Step 4: Simplify right side
    376,905.95x = 106,537,917,016.39
  5. Step 5: Solve for x
    x = 106,537,917,016.39/376,905.95
  6. Step 6: Final answer
    x = 282,664.46

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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.