Home / 386,372.57-533,175.12-214,277.04

Finding the Fourth Proportional to 386,372.57, 533,175.12 and 214,277.04

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Solution

The fourth proportional to 386,372.57, 533,175.12 and 214,277.04 is: 295,691.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,372.57 : 533,175.12 = 214,277.04 : x
  2. Step 2: Convert to fraction form
    386,372.57/533,175.12 = 214,277.04/x
  3. Step 3: Cross multiply
    386,372.57x = 533,175.12 × 214,277.04
  4. Step 4: Simplify right side
    386,372.57x = 114,247,186,515.25
  5. Step 5: Solve for x
    x = 114,247,186,515.25/386,372.57
  6. Step 6: Final answer
    x = 295,691.77

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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.