Home / 206,527.06-309,786.84-56,766.77

Finding the Fourth Proportional to 206,527.06, 309,786.84 and 56,766.77

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Solution

The fourth proportional to 206,527.06, 309,786.84 and 56,766.77 is: 85,149.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,527.06 : 309,786.84 = 56,766.77 : x
  2. Step 2: Convert to fraction form
    206,527.06/309,786.84 = 56,766.77/x
  3. Step 3: Cross multiply
    206,527.06x = 309,786.84 × 56,766.77
  4. Step 4: Simplify right side
    206,527.06x = 17,585,596,746.37
  5. Step 5: Solve for x
    x = 17,585,596,746.37/206,527.06
  6. Step 6: Final answer
    x = 85,149.12

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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.