Home / 263,465.16-395,196-85,972.32

Finding the Fourth Proportional to 263,465.16, 395,196 and 85,972.32

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Solution

The fourth proportional to 263,465.16, 395,196 and 85,972.32 is: 128,957.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,465.16 : 395,196 = 85,972.32 : x
  2. Step 2: Convert to fraction form
    263,465.16/395,196 = 85,972.32/x
  3. Step 3: Cross multiply
    263,465.16x = 395,196 × 85,972.32
  4. Step 4: Simplify right side
    263,465.16x = 33,975,916,974.72
  5. Step 5: Solve for x
    x = 33,975,916,974.72/263,465.16
  6. Step 6: Final answer
    x = 128,957.91

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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.