Home / 204,091.52-281,649.67-112,214.69

Finding the Fourth Proportional to 204,091.52, 281,649.67 and 112,214.69

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Solution

The fourth proportional to 204,091.52, 281,649.67 and 112,214.69 is: 154,858.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,091.52 : 281,649.67 = 112,214.69 : x
  2. Step 2: Convert to fraction form
    204,091.52/281,649.67 = 112,214.69/x
  3. Step 3: Cross multiply
    204,091.52x = 281,649.67 × 112,214.69
  4. Step 4: Simplify right side
    204,091.52x = 31,605,228,999.40
  5. Step 5: Solve for x
    x = 31,605,228,999.40/204,091.52
  6. Step 6: Final answer
    x = 154,858.12

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1.5x scale

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.