Home / 165,943.24-248,887.50-71,188.72

Finding the Fourth Proportional to 165,943.24, 248,887.50 and 71,188.72

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Solution

The fourth proportional to 165,943.24, 248,887.50 and 71,188.72 is: 106,771.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,943.24 : 248,887.50 = 71,188.72 : x
  2. Step 2: Convert to fraction form
    165,943.24/248,887.50 = 71,188.72/x
  3. Step 3: Cross multiply
    165,943.24x = 248,887.50 × 71,188.72
  4. Step 4: Simplify right side
    165,943.24x = 17,717,982,549
  5. Step 5: Solve for x
    x = 17,717,982,549/165,943.24
  6. Step 6: Final answer
    x = 106,771.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.