Home / 382,077.30-527,241.06-209,991.54

Finding the Fourth Proportional to 382,077.30, 527,241.06 and 209,991.54

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Solution

The fourth proportional to 382,077.30, 527,241.06 and 209,991.54 is: 289,774.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,077.30 : 527,241.06 = 209,991.54 : x
  2. Step 2: Convert to fraction form
    382,077.30/527,241.06 = 209,991.54/x
  3. Step 3: Cross multiply
    382,077.30x = 527,241.06 × 209,991.54
  4. Step 4: Simplify right side
    382,077.30x = 110,716,162,140.63
  5. Step 5: Solve for x
    x = 110,716,162,140.63/382,077.30
  6. Step 6: Final answer
    x = 289,774.25

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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.