Home / 206,440.67-309,661.49-56,683.01

Finding the Fourth Proportional to 206,440.67, 309,661.49 and 56,683.01

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Solution

The fourth proportional to 206,440.67, 309,661.49 and 56,683.01 is: 85,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,440.67 : 309,661.49 = 56,683.01 : x
  2. Step 2: Convert to fraction form
    206,440.67/309,661.49 = 56,683.01/x
  3. Step 3: Cross multiply
    206,440.67x = 309,661.49 × 56,683.01
  4. Step 4: Simplify right side
    206,440.67x = 17,552,545,334.28
  5. Step 5: Solve for x
    x = 17,552,545,334.28/206,440.67
  6. Step 6: Final answer
    x = 85,024.65

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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.