Home / 206,435.17-309,653.24-56,677.51

Finding the Fourth Proportional to 206,435.17, 309,653.24 and 56,677.51

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Solution

The fourth proportional to 206,435.17, 309,653.24 and 56,677.51 is: 85,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,435.17 : 309,653.24 = 56,677.51 : x
  2. Step 2: Convert to fraction form
    206,435.17/309,653.24 = 56,677.51/x
  3. Step 3: Cross multiply
    206,435.17x = 309,653.24 × 56,677.51
  4. Step 4: Simplify right side
    206,435.17x = 17,550,373,549.11
  5. Step 5: Solve for x
    x = 17,550,373,549.11/206,435.17
  6. Step 6: Final answer
    x = 85,016.39

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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.