Home / 269,183.35-403,829.70-91,708.30

Finding the Fourth Proportional to 269,183.35, 403,829.70 and 91,708.30

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Solution

The fourth proportional to 269,183.35, 403,829.70 and 91,708.30 is: 137,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,183.35 : 403,829.70 = 91,708.30 : x
  2. Step 2: Convert to fraction form
    269,183.35/403,829.70 = 91,708.30/x
  3. Step 3: Cross multiply
    269,183.35x = 403,829.70 × 91,708.30
  4. Step 4: Simplify right side
    269,183.35x = 37,034,535,276.51
  5. Step 5: Solve for x
    x = 37,034,535,276.51/269,183.35
  6. Step 6: Final answer
    x = 137,581.08

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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.