Home / 206,152.98-309,238.80-56,389.92

Finding the Fourth Proportional to 206,152.98, 309,238.80 and 56,389.92

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Solution

The fourth proportional to 206,152.98, 309,238.80 and 56,389.92 is: 84,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,152.98 : 309,238.80 = 56,389.92 : x
  2. Step 2: Convert to fraction form
    206,152.98/309,238.80 = 56,389.92/x
  3. Step 3: Cross multiply
    206,152.98x = 309,238.80 × 56,389.92
  4. Step 4: Simplify right side
    206,152.98x = 17,437,951,192.90
  5. Step 5: Solve for x
    x = 17,437,951,192.90/206,152.98
  6. Step 6: Final answer
    x = 84,587.43

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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.