Home / 207,191.88-310,757.07-57,416.56

Finding the Fourth Proportional to 207,191.88, 310,757.07 and 57,416.56

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Solution

The fourth proportional to 207,191.88, 310,757.07 and 57,416.56 is: 86,116.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,191.88 : 310,757.07 = 57,416.56 : x
  2. Step 2: Convert to fraction form
    207,191.88/310,757.07 = 57,416.56/x
  3. Step 3: Cross multiply
    207,191.88x = 310,757.07 × 57,416.56
  4. Step 4: Simplify right side
    207,191.88x = 17,842,600,114.21
  5. Step 5: Solve for x
    x = 17,842,600,114.21/207,191.88
  6. Step 6: Final answer
    x = 86,116.31

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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.