Home / 339,949.17-469,119.93-186,987.32

Finding the Fourth Proportional to 339,949.17, 469,119.93 and 186,987.32

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Solution

The fourth proportional to 339,949.17, 469,119.93 and 186,987.32 is: 258,037.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,949.17 : 469,119.93 = 186,987.32 : x
  2. Step 2: Convert to fraction form
    339,949.17/469,119.93 = 186,987.32/x
  3. Step 3: Cross multiply
    339,949.17x = 469,119.93 × 186,987.32
  4. Step 4: Simplify right side
    339,949.17x = 87,719,478,469.29
  5. Step 5: Solve for x
    x = 87,719,478,469.29/339,949.17
  6. Step 6: Final answer
    x = 258,037.04

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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.