Home / 206,433.15-309,646.95-56,673.26

Finding the Fourth Proportional to 206,433.15, 309,646.95 and 56,673.26

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Solution

The fourth proportional to 206,433.15, 309,646.95 and 56,673.26 is: 85,009.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,433.15 : 309,646.95 = 56,673.26 : x
  2. Step 2: Convert to fraction form
    206,433.15/309,646.95 = 56,673.26/x
  3. Step 3: Cross multiply
    206,433.15x = 309,646.95 × 56,673.26
  4. Step 4: Simplify right side
    206,433.15x = 17,548,702,105.56
  5. Step 5: Solve for x
    x = 17,548,702,105.56/206,433.15
  6. Step 6: Final answer
    x = 85,009.13

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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.