Home / 204,129.07-281,682.16-113,479.51

Finding the Fourth Proportional to 204,129.07, 281,682.16 and 113,479.51

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Solution

The fourth proportional to 204,129.07, 281,682.16 and 113,479.51 is: 156,592.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,129.07 : 281,682.16 = 113,479.51 : x
  2. Step 2: Convert to fraction form
    204,129.07/281,682.16 = 113,479.51/x
  3. Step 3: Cross multiply
    204,129.07x = 281,682.16 × 113,479.51
  4. Step 4: Simplify right side
    204,129.07x = 31,965,153,492.54
  5. Step 5: Solve for x
    x = 31,965,153,492.54/204,129.07
  6. Step 6: Final answer
    x = 156,592.85

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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.