Home / 343,799.64-515,805.04-164,114.36

Finding the Fourth Proportional to 343,799.64, 515,805.04 and 164,114.36

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Solution

The fourth proportional to 343,799.64, 515,805.04 and 164,114.36 is: 246,221.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,799.64 : 515,805.04 = 164,114.36 : x
  2. Step 2: Convert to fraction form
    343,799.64/515,805.04 = 164,114.36/x
  3. Step 3: Cross multiply
    343,799.64x = 515,805.04 × 164,114.36
  4. Step 4: Simplify right side
    343,799.64x = 84,651,011,650.49
  5. Step 5: Solve for x
    x = 84,651,011,650.49/343,799.64
  6. Step 6: Final answer
    x = 246,221.93

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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.