Home / 204,155.08-281,746.77-113,531.32

Finding the Fourth Proportional to 204,155.08, 281,746.77 and 113,531.32

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Solution

The fourth proportional to 204,155.08, 281,746.77 and 113,531.32 is: 156,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,155.08 : 281,746.77 = 113,531.32 : x
  2. Step 2: Convert to fraction form
    204,155.08/281,746.77 = 113,531.32/x
  3. Step 3: Cross multiply
    204,155.08x = 281,746.77 × 113,531.32
  4. Step 4: Simplify right side
    204,155.08x = 31,987,082,703.84
  5. Step 5: Solve for x
    x = 31,987,082,703.84/204,155.08
  6. Step 6: Final answer
    x = 156,680.32

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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.