Home / 340,514.90-469,913.73-187,553.64

Finding the Fourth Proportional to 340,514.90, 469,913.73 and 187,553.64

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Solution

The fourth proportional to 340,514.90, 469,913.73 and 187,553.64 is: 258,825.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,514.90 : 469,913.73 = 187,553.64 : x
  2. Step 2: Convert to fraction form
    340,514.90/469,913.73 = 187,553.64/x
  3. Step 3: Cross multiply
    340,514.90x = 469,913.73 × 187,553.64
  4. Step 4: Simplify right side
    340,514.90x = 88,134,028,197.91
  5. Step 5: Solve for x
    x = 88,134,028,197.91/340,514.90
  6. Step 6: Final answer
    x = 258,825.77

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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.