Home / 206,817.07-310,243.48-57,057.36

Finding the Fourth Proportional to 206,817.07, 310,243.48 and 57,057.36

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Solution

The fourth proportional to 206,817.07, 310,243.48 and 57,057.36 is: 85,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,817.07 : 310,243.48 = 57,057.36 : x
  2. Step 2: Convert to fraction form
    206,817.07/310,243.48 = 57,057.36/x
  3. Step 3: Cross multiply
    206,817.07x = 310,243.48 × 57,057.36
  4. Step 4: Simplify right side
    206,817.07x = 17,701,673,482.48
  5. Step 5: Solve for x
    x = 17,701,673,482.48/206,817.07
  6. Step 6: Final answer
    x = 85,590.97

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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.