Home / 171,996.79-258,026.18-70,776.96

Finding the Fourth Proportional to 171,996.79, 258,026.18 and 70,776.96

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Solution

The fourth proportional to 171,996.79, 258,026.18 and 70,776.96 is: 106,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,996.79 : 258,026.18 = 70,776.96 : x
  2. Step 2: Convert to fraction form
    171,996.79/258,026.18 = 70,776.96/x
  3. Step 3: Cross multiply
    171,996.79x = 258,026.18 × 70,776.96
  4. Step 4: Simplify right side
    171,996.79x = 18,262,308,266.93
  5. Step 5: Solve for x
    x = 18,262,308,266.93/171,996.79
  6. Step 6: Final answer
    x = 106,178.20

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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.