Home / 107,110.98-160,633.26-86,001.30

Finding the Fourth Proportional to 107,110.98, 160,633.26 and 86,001.30

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Solution

The fourth proportional to 107,110.98, 160,633.26 and 86,001.30 is: 128,975.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,110.98 : 160,633.26 = 86,001.30 : x
  2. Step 2: Convert to fraction form
    107,110.98/160,633.26 = 86,001.30/x
  3. Step 3: Cross multiply
    107,110.98x = 160,633.26 × 86,001.30
  4. Step 4: Simplify right side
    107,110.98x = 13,814,669,183.24
  5. Step 5: Solve for x
    x = 13,814,669,183.24/107,110.98
  6. Step 6: Final answer
    x = 128,975.29

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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.