Home / 201,664.10-302,496.15-191,822.60

Finding the Fourth Proportional to 201,664.10, 302,496.15 and 191,822.60

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Solution

The fourth proportional to 201,664.10, 302,496.15 and 191,822.60 is: 287,733.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,664.10 : 302,496.15 = 191,822.60 : x
  2. Step 2: Convert to fraction form
    201,664.10/302,496.15 = 191,822.60/x
  3. Step 3: Cross multiply
    201,664.10x = 302,496.15 × 191,822.60
  4. Step 4: Simplify right side
    201,664.10x = 58,025,597,982.99
  5. Step 5: Solve for x
    x = 58,025,597,982.99/201,664.10
  6. Step 6: Final answer
    x = 287,733.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.