Home / 201,824.34-278,514.09-116,949.30

Finding the Fourth Proportional to 201,824.34, 278,514.09 and 116,949.30

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Solution

The fourth proportional to 201,824.34, 278,514.09 and 116,949.30 is: 161,388.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,824.34 : 278,514.09 = 116,949.30 : x
  2. Step 2: Convert to fraction form
    201,824.34/278,514.09 = 116,949.30/x
  3. Step 3: Cross multiply
    201,824.34x = 278,514.09 × 116,949.30
  4. Step 4: Simplify right side
    201,824.34x = 32,572,027,865.64
  5. Step 5: Solve for x
    x = 32,572,027,865.64/201,824.34
  6. Step 6: Final answer
    x = 161,388.01

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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.