Home / 343,218.20-514,973.10-165,633.80

Finding the Fourth Proportional to 343,218.20, 514,973.10 and 165,633.80

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Solution

The fourth proportional to 343,218.20, 514,973.10 and 165,633.80 is: 248,521.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,218.20 : 514,973.10 = 165,633.80 : x
  2. Step 2: Convert to fraction form
    343,218.20/514,973.10 = 165,633.80/x
  3. Step 3: Cross multiply
    343,218.20x = 514,973.10 × 165,633.80
  4. Step 4: Simplify right side
    343,218.20x = 85,296,951,450.78
  5. Step 5: Solve for x
    x = 85,296,951,450.78/343,218.20
  6. Step 6: Final answer
    x = 248,521.06

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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.